512 Area CodeAustin, TX
Area code 512 covers Austin and nearby communities in Texas, in the Central Time (CT) zone, home to about 2,322,934 people across 73 cities. It overlays 737, so the same region uses both and every local call needs all ten digits.
Overview
- Major City
- Austin
- State
- Texas (TX)
- Timezone
- Central Time (CT)
- Current Time
- –:––
- Overlay
- Yes – shares area with 737
Where is area code 512?
Area code 512 serves part of Austin, TX and the surrounding areas. It has a single overlay (737) that serves the same area.
Overview of the 512 Area Code
What is the 512 area code?
The 512 area code serves Austin, Texas, alongside other established area codes. When you see a 512 number, it indicates a local number within this geographic area.
Why was area code 512 created?
Area code 512 has been in service since January 1, 1947. The same territory is now also served by the overlay code 737.
Geographic Coverage of the 512 Area Code
The 512 area code serves Austin and surrounding areas in Texas. It operates within the Central Time (CT) time zone. It complements the coverage of area code 737. This area code covers several key cities, including:
- Austin
- Round Rock
- Georgetown
- Leander
- Cedar Park
- San Marcos
Got a call from a 512 number? It came from Austin, TX. Since 512 overlays with 737, every local call in the region needs all ten digits to land on the right line. Of the listed cities' population, Austin accounts for about 50.6%; the rest is split across 72 smaller cities.
Austin Area Codes Overview
Austin is served by multiple area codes, reflecting its telecommunications needs. The 512 area code operates alongside 737. Here are the area codes serving this region:
The introduction of the 512 area code helped prevent number exhaustion, ensuring a continuous supply of phone numbers across the geographic area.
What cities does area code 512 cover?
| City | State | Population | Population in 512 | % of listed-city population | % of City |
|---|---|---|---|---|---|
| Austin | TX | 993,588 | 993,588 | 50.6% | 100.0% |
| Round Rock | TX | 135,359 | 135,359 | 6.9% | 100.0% |
| Georgetown | TX | 101,344 | 95,851 | 5.2% | 94.6% |
| Leander | TX | 87,511 | 87,511 | 4.5% | 100.0% |
| Cedar Park | TX | 78,380 | 78,380 | 4.0% | 100.0% |
| San Marcos | TX | 74,316 | 74,316 | 3.8% | 100.0% |
| Pflugerville | TX | 66,819 | 66,819 | 3.4% | 100.0% |
| Kyle | TX | 65,833 | 65,833 | 3.4% | 100.0% |
| Hutto | TX | 42,661 | 42,661 | 2.2% | 100.0% |
| Brushy Creek | TX | 21,764 | 21,764 | 1.1% | 100.0% |
| Manor | TX | 21,500 | 21,500 | 1.1% | 100.0% |
| Lakeway | TX | 19,056 | 19,056 | 1.0% | 100.0% |
| Taylor | TX | 17,872 | 17,872 | 0.9% | 100.0% |
| Lockhart | TX | 17,166 | 17,166 | 0.9% | 100.0% |
| Jollyville | TX | 16,151 | 16,151 | 0.8% | 100.0% |
| Buda | TX | 16,090 | 16,090 | 0.8% | 100.0% |
| Bastrop | TX | 12,720 | 12,720 | 0.6% | 100.0% |
| Elgin | TX | 12,438 | 12,438 | 0.6% | 100.0% |
| Wells Branch | TX | 12,120 | 12,120 | 0.6% | 100.0% |
| Liberty Hill | TX | 11,984 | 11,984 | 0.6% | 100.0% |
| Lago Vista | TX | 10,201 | 10,201 | 0.5% | 100.0% |
| Dripping Springs | TX | 10,165 | 10,165 | 0.5% | 100.0% |
| Bee Cave | TX | 8,510 | 8,510 | 0.4% | 100.0% |
| Lampasas | TX | 7,936 | 7,936 | 0.4% | 100.0% |
| Burnet | TX | 6,869 | 6,869 | 0.4% | 100.0% |
| Hornsby Bend | TX | 6,791 | 6,791 | 0.3% | 100.0% |
| Camp Swift | TX | 6,383 | 6,383 | 0.3% | 100.0% |
| Rockdale | TX | 5,637 | 5,637 | 0.3% | 100.0% |
| Jarrell | TX | 5,151 | 5,151 | 0.3% | 100.0% |
| Shady Hollow | TX | 5,004 | 5,004 | 0.3% | 100.0% |
| Lost Creek | TX | 4,509 | 4,509 | 0.2% | 100.0% |
| Redwood | TX | 4,338 | 4,338 | 0.2% | 100.0% |
| Smithville | TX | 4,335 | 4,335 | 0.2% | 100.0% |
| West Lake Hills | TX | 3,208 | 3,208 | 0.2% | 100.0% |
| Barton Creek | TX | 3,077 | 3,077 | 0.2% | 100.0% |
| Hudson Bend | TX | 2,981 | 2,981 | 0.2% | 100.0% |
| Wimberley | TX | 2,889 | 2,889 | 0.1% | 100.0% |
| Jonestown | TX | 2,615 | 2,615 | 0.1% | 100.0% |
| Wyldwood | TX | 2,505 | 2,505 | 0.1% | 100.0% |
| Circle D-KC Estates | TX | 2,393 | 2,393 | 0.1% | 100.0% |
| Briarcliff | TX | 2,387 | 2,387 | 0.1% | 100.0% |
| The Hills | TX | 2,342 | 2,342 | 0.1% | 100.0% |
| Bertram | TX | 2,020 | 2,020 | 0.1% | 100.0% |
| Woodcreek | TX | 1,886 | 1,886 | 0.1% | 100.0% |
| Uhland | TX | 1,885 | 1,885 | 0.1% | 100.0% |
| Garfield | TX | 1,698 | 1,698 | 0.1% | 100.0% |
| Serenada | TX | 1,641 | 1,641 | 0.1% | 100.0% |
| Buchanan Dam | TX | 1,519 | 1,519 | 0.1% | 100.0% |
| Rollingwood | TX | 1,438 | 1,438 | 0.1% | 100.0% |
| Thorndale | TX | 1,388 | 1,388 | 0.1% | 100.0% |
| Martindale | TX | 1,266 | 1,266 | 0.1% | 100.0% |
| Point Venture | TX | 1,243 | 1,243 | 0.1% | 100.0% |
| Granger | TX | 1,209 | 1,209 | 0.1% | 100.0% |
| Manchaca | TX | 1,133 | 1,133 | 0.1% | 100.0% |
| Windemere | TX | 1,037 | 1,037 | 0.1% | 100.0% |
| Geronimo | TX | 1,032 | 0 | 0.1% | 0.0% |
| Mustang Ridge | TX | 1,002 | 1,002 | 0.1% | 100.0% |
| Thrall | TX | 873 | 873 | 0.0% | 100.0% |
| Lometa | TX | 801 | 801 | 0.0% | 100.0% |
| Weir | TX | 770 | 770 | 0.0% | 100.0% |
| Niederwald | TX | 720 | 720 | 0.0% | 100.0% |
| McDade | TX | 685 | 685 | 0.0% | 100.0% |
| Mountain City | TX | 676 | 676 | 0.0% | 100.0% |
| Sunset Valley | TX | 617 | 617 | 0.0% | 100.0% |
| Volente | TX | 522 | 522 | 0.0% | 100.0% |
| San Leanna | TX | 517 | 517 | 0.0% | 100.0% |
| Webberville | TX | 472 | 472 | 0.0% | 100.0% |
| Bear Creek | TX | 461 | 461 | 0.0% | 100.0% |
| Milano | TX | 432 | 432 | 0.0% | 100.0% |
| Creedmoor | TX | 423 | 423 | 0.0% | 100.0% |
| Hays | TX | 264 | 264 | 0.0% | 100.0% |
| Staples | TX | 190 | 190 | 0.0% | 100.0% |
| Driftwood | TX | 144 | 144 | 0.0% | 100.0% |
City population is shown in full. The share of each city inside 512 is measured from Census tract centroids, not estimated from a rate-center match – so a city split between two codes appears on both, at the fraction each one actually holds. The “% of listed-city population” column uses the full populations of the cities listed here.
What counties does area code 512 cover?
2,322,934 residents across 10 counties, counted inside the 512 boundary — a county split between codes contributes only its part.
| County | State | Population in 512 | % of area-code footprint | % of County |
|---|---|---|---|---|
| Travis County | TX | 1,290,188 | 56% | 100% |
| Williamson County | TX | 596,699 | 26% | 98% |
| Hays County | TX | 241,067 | 10% | 100% |
| Bastrop County | TX | 97,216 | 4% | 100% |
| Caldwell County | TX | 37,224 | 2% | 81% |
| Burnet County | TX | 23,944 | 1% | 49% |
| Milam County | TX | 15,617 | 1% | 63% |
| Lampasas County | TX | 14,374 | 1% | 66% |
| Guadalupe County | TX | 4,823 | 0% | 3% |
| Llano County | TX | 1,782 | 0% | 8% |
Sources: City populations – U.S. Census Bureau PEP, Vintage 2024 (SUB-IP-EST2024-POP). State populations – the same program, Vintage 2025 (CO-EST2025-ALLDATA). Area-code footprint and county populations – 2020 Census Centers of Population, mapped against NANP area code boundaries. The share of each city inside a code is measured the same way, against Census place boundaries from the Census Bureau's TIGERweb service. Area code assignments – NANPA CO Code data. See our data methodology.
Has area code 512 been reported for unwanted calls?
Yes – 2,045 unwanted-call complaints were reported to the FTC for numbers showing a 512 area code (May 29 – Aug 14, 2026).
- 57% robocalls
- ↑ 27% vs prior period
Most-reported subjects
- Other35%717
- Medical & prescriptions19%393
- Calls pretending to be government, businesses, or family and friends13%275
Caller ID is easily spoofed, so these figures reflect the number shown on caller ID, not the caller's true location – an area code alone never identifies a caller. The FTC does not verify the facts in these complaints. Source: FTC Do Not Call (DNC) Reported Calls Data, retrieved 2026-08-17.
Which prefixes and exchanges belong to area code 512?
78% assigned to a telco
- 69% Landline
- 31% Wireless
- 0% Unknown
of 781 | ||
| Prefix | Usage | Carrier |
|---|---|---|
| (512)200- | Wireless | T-Mobile Usa |
| (512)201- | Wireless | Verizon Wireless |
| (512)202- | Wireless | Verizon Wireless |
| (512)203- | Wireless | T-Mobile Usa |
| (512)204- | Landline | American Messaging Services |
| (512)205- | Wireless | Usa Mobility Wireless |
| (512)206- | Landline | Southwestern Bell |
| (512)207- | Landline | Southwestern Bell |
| (512)208- | Landline | American Messaging Services |
| (512)209- | Landline | American Messaging Services |
| (512)210- | Wireless | Verizon Wireless |
| (512)212- | Wireless | New Cingular Wireless Pcs |
| (512)213- | Landline | Level 3 Communications |
| (512)214- | Wireless | T-Mobile Usa |
| (512)215- | Landline | Time Warner Cbl |
| (512)216- | Wireless | New Cingular Wireless Pcs |
| (512)217- | Wireless | New Cingular Wireless Pcs |
| (512)218- | Landline | Southwestern Bell |
| (512)219- | Landline | Southwestern Bell |
| (512)220- | Landline | Grande Communications Networks |
| (512)221- | Wireless | New Cingular Wireless Pcs |
| (512)222- | Landline | Worldcall Interconnect |
| (512)223- | Landline | Southwestern Bell |
| (512)224- | Landline | Southwestern Bell |
| (512)225- | Landline | Level 3 Of Telecom Of Texas |
| (512)226- | Landline | Southwestern Bell |
| (512)227- | Landline | Southwestern Bell |
| (512)228- | Landline | Southwestern Bell |
| (512)229- | Landline | Tpx Communications |
| (512)230- | Wireless | Verizon Wireless |
| (512)231- | Landline | Southwestern Bell |
| (512)232- | Landline | Southwestern Bell |
| (512)233- | Landline | Mcimetro Access Transmission Services |
| (512)234- | Wireless | Verizon Wireless |
| (512)235- | Wireless | Usa Mobility Wireless |
| (512)236- | Landline | Southwestern Bell |
| (512)237- | Landline | Southwestern Bell |
| (512)238- | Landline | Southwestern Bell |
| (512)239- | Landline | Southwestern Bell |
| (512)240- | Landline | Grande Communications Networks |
| (512)241- | Landline | Southwestern Bell |
| (512)242- | Landline | Southwestern Bell |
| (512)243- | Landline | Southwestern Bell |
| (512)244- | Landline | Southwestern Bell |
| (512)245- | Landline | Centurylink |
| (512)246- | Landline | Southwestern Bell |
| (512)247- | Landline | Southwestern Bell |
| (512)248- | Landline | Southwestern Bell |
| (512)249- | Landline | Southwestern Bell |
| (512)250- | Landline | Southwestern Bell |
| (512)251- | Landline | Southwestern Bell |
| (512)252- | Landline | Southwestern Bell |
| (512)253- | Landline | Frontier Comm Of Texas |
| (512)255- | Landline | Southwestern Bell |
| (512)256- | Landline | Bandwidth.Com Clec |
| (512)257- | Landline | Southwestern Bell |
| (512)258- | Landline | Southwestern Bell |
| (512)259- | Landline | Southwestern Bell |
| (512)260- | Landline | Southwestern Bell |
| (512)261- | Landline | Southwestern Bell |
| (512)262- | Landline | Frontier Comm Of Texas |
| (512)263- | Landline | Southwestern Bell |
| (512)264- | Landline | Southwestern Bell |
| (512)265- | Landline | Level 3 Communications |
| (512)266- | Landline | Southwestern Bell |
| (512)267- | Landline | Southwestern Bell |
| (512)268- | Landline | Frontier Comm Of Texas |
| (512)269- | Wireless | Sprint Spectrum |
| (512)270- | Landline | Level 3 Communications |
| (512)271- | Landline | Level 3 Communications |
| (512)272- | Landline | Southwestern Bell |
| (512)273- | Landline | Frontier Comm Of Texas |
| (512)274- | Wireless | Usa Mobility Wireless |
| (512)275- | Landline | Mcimetro Access Transmission Services |
| (512)276- | Landline | Southwestern Bell |
| (512)277- | Landline | Telnyx |
| (512)278- | Landline | Southwestern Bell |
| (512)279- | Landline | Level 3 Of Telecom Of Texas |
| (512)280- | Landline | Southwestern Bell |
| (512)281- | Landline | Southwestern Bell |
| (512)282- | Landline | Southwestern Bell |
| (512)283- | Landline | Southwestern Bell |
| (512)284- | Wireless | New Cingular Wireless Pcs |
| (512)285- | Landline | Southwestern Bell |
| (512)286- | Landline | Southwestern Bell |
| (512)287- | Wireless | T-Mobile Usa |
| (512)288- | Landline | Southwestern Bell |
| (512)289- | Wireless | New Cingular Wireless Pcs |
| (512)290- | Landline | Ymax Communications |
| (512)291- | Landline | Southwestern Bell |
| (512)292- | Landline | Southwestern Bell |
| (512)293- | Wireless | T-Mobile Usa |
| (512)294- | Wireless | Sprint Spectrum |
| (512)295- | Landline | Frontier Comm Of Texas |
| (512)296- | Wireless | Sprint Spectrum |
| (512)297- | Wireless | Sprint Spectrum |
| (512)298- | Wireless | New Cingular Wireless Pcs |
| (512)299- | Landline | Fusion Telecom Of Texas, Ltd., L. |
| (512)300- | Landline | Time Warner Cbl |
| (512)301- | Landline | Southwestern Bell |
| (512)302- | Landline | Southwestern Bell |
| (512)303- | Landline | Southwestern Bell |
| (512)304- | Landline | Southwestern Bell |
| (512)305- | Landline | At&T |
| (512)306- | Landline | Southwestern Bell |
| (512)307- | Wireless | Usa Mobility Wireless |
| (512)308- | Landline | Southwestern Bell |
| (512)309- | Landline | Time Warner Cbl |
| (512)310- | Landline | Southwestern Bell |
| (512)312- | Landline | Frontier Comm Of Texas |
| (512)313- | Landline | Level 3 Of Telecom Of Texas |
| (512)314- | Landline | Southwestern Bell |
| (512)315- | Landline | Southwestern Bell |
| (512)316- | Wireless | New Cingular Wireless Pcs |
| (512)317- | Wireless | New Cingular Wireless Pcs |
| (512)318- | Wireless | Verizon Wireless |
| (512)319- | Landline | Teleport Communications America |
| (512)320- | Landline | Southwestern Bell |
| (512)321- | Landline | Southwestern Bell |
| (512)322- | Landline | Southwestern Bell |
| (512)323- | Landline | Southwestern Bell |
| (512)324- | Landline | Southwestern Bell |
| (512)326- | Landline | Southwestern Bell |
| (512)327- | Landline | Southwestern Bell |
| (512)328- | Landline | Southwestern Bell |
| (512)329- | Landline | Southwestern Bell |
| (512)330- | Landline | Southwestern Bell |
| (512)331- | Landline | Southwestern Bell |
| (512)332- | Landline | Southwestern Bell |
| (512)333- | Landline | Usfon |
| (512)334- | Landline | Level 3 Of Telecom Of Texas |
| (512)335- | Landline | Southwestern Bell |
| (512)336- | Landline | Southwestern Bell |
| (512)337- | Landline | At&T |
| (512)338- | Landline | Southwestern Bell |
| (512)339- | Landline | Southwestern Bell |
| (512)340- | Landline | Southwestern Bell |
| (512)341- | Landline | Southwestern Bell |
| (512)342- | Landline | Southwestern Bell |
| (512)343- | Landline | Southwestern Bell |
| (512)344- | Landline | Southwestern Bell |
| (512)345- | Landline | Southwestern Bell |
| (512)346- | Landline | Southwestern Bell |
| (512)347- | Landline | Southwestern Bell |
| (512)348- | Wireless | Verizon Wireless |
| (512)349- | Landline | Southwestern Bell |
| (512)350- | Wireless | Sprint Spectrum |
| (512)351- | Landline | Level 3 Communications |
| (512)352- | Landline | Southwestern Bell |
| (512)353- | Landline | Centurylink |
| (512)354- | Wireless | New Cingular Wireless Pcs |
| (512)355- | Landline | Frontier Comm Of Texas |
| (512)356- | Landline | Southwestern Bell |
| (512)357- | Landline | Frontier Comm Of Texas |
| (512)358- | Landline | Southwestern Bell |
| (512)359- | Landline | Teleport Communications America |
| (512)360- | Landline | Southwestern Bell |
| (512)361- | Landline | Time Warner Cbl |
| (512)362- | Landline | Mcimetro Access Transmission Services |
| (512)363- | Landline | Southwestern Bell |
| (512)364- | Wireless | Verizon Wireless |
| (512)365- | Landline | Southwestern Bell |
| (512)366- | Landline | Southwestern Bell |
| (512)367- | Landline | Southwestern Bell |
| (512)368- | Wireless | New Cingular Wireless Pcs |
| (512)369- | Landline | Southwestern Bell |
| (512)370- | Landline | Southwestern Bell |
| (512)371- | Landline | Southwestern Bell |
| (512)372- | Landline | Southwestern Bell |
| (512)373- | Landline | Southwestern Bell |
| (512)374- | Landline | Southwestern Bell |
| (512)375- | Wireless | Sprint Spectrum |
| (512)376- | Landline | Southwestern Bell |
| (512)377- | Landline | Southwestern Bell |
| (512)378- | Landline | Southwestern Bell |
| (512)379- | Landline | Southwestern Bell |
| (512)380- | Landline | Southwestern Bell |
| (512)381- | Landline | Tpx Communications |
| (512)382- | Landline | Teleport Communications America |
| (512)383- | Landline | Southwestern Bell |
| (512)384- | Landline | Mcimetro Access Transmission Services |
| (512)385- | Landline | Southwestern Bell |
| (512)386- | Landline | Southwestern Bell |
| (512)387- | Landline | Bandwidth.Com Clec |
| (512)388- | Landline | Southwestern Bell |
| (512)389- | Landline | Southwestern Bell |
| (512)390- | Landline | Southwestern Bell |
| (512)391- | Landline | Southwestern Bell |
| (512)392- | Landline | Centurylink |
| (512)393- | Landline | Centurylink |
| (512)394- | Landline | Southwestern Bell |
| (512)395- | Landline | Centurylink |
| (512)396- | Landline | Centurylink |
| (512)397- | Landline | Southwestern Bell |
| (512)398- | Landline | Southwestern Bell |
| (512)399- | Landline | Peerless Network Of Texas |
| (512)400- | Wireless | T-Mobile Usa |
| (512)401- | Landline | Southwestern Bell |
| (512)402- | Landline | Southwestern Bell |
| (512)403- | Landline | Southwestern Bell |
| (512)404- | Landline | Southwestern Bell |
| (512)405- | Landline | Frontier Comm Of Texas |
| (512)406- | Landline | Southwestern Bell |
| (512)407- | Landline | Southwestern Bell |
| (512)408- | Landline | Centurylink |
| (512)409- | Landline | Centurylink Communications |
| (512)410- | Wireless | Verizon Wireless |
| (512)412- | Landline | Teleport Communications America |
| (512)413- | Wireless | New Cingular Wireless Pcs |
| (512)414- | Landline | Southwestern Bell |
| (512)415- | Wireless | New Cingular Wireless Pcs |
| (512)416- | Landline | Southwestern Bell |
| (512)417- | Wireless | Verizon Wireless |
| (512)418- | Landline | Southwestern Bell |
| (512)419- | Landline | Southwestern Bell |
| (512)420- | Landline | Southwestern Bell |
| (512)421- | Landline | Southwestern Bell |
| (512)422- | Wireless | New Cingular Wireless Pcs |
| (512)423- | Wireless | New Cingular Wireless Pcs |
| (512)424- | Landline | Southwestern Bell |
| (512)425- | Landline | Southwestern Bell |
| (512)426- | Wireless | New Cingular Wireless Pcs |
| (512)427- | Landline | Southwestern Bell |
| (512)428- | Landline | Southwestern Bell |
| (512)429- | Wireless | Verizon Wireless |
| (512)430- | Landline | Southwestern Bell |
| (512)431- | Wireless | New Cingular Wireless Pcs |
| (512)432- | Landline | Southwestern Bell |
| (512)433- | Landline | Southwestern Bell |
| (512)434- | Landline | Southwestern Bell |
| (512)435- | Landline | Southwestern Bell |
| (512)436- | Landline | Southwestern Bell |
| (512)437- | Landline | Southwestern Bell |
| (512)438- | Landline | Southwestern Bell |
| (512)439- | Landline | Level 3 Of Telecom Of Texas |
| (512)440- | Landline | Southwestern Bell |
| (512)441- | Landline | Southwestern Bell |
| (512)442- | Landline | Southwestern Bell |
| (512)443- | Landline | Southwestern Bell |
| (512)444- | Landline | Southwestern Bell |
| (512)445- | Landline | Southwestern Bell |
| (512)446- | Landline | Southwestern Bell |
| (512)447- | Landline | Southwestern Bell |
| (512)448- | Landline | Southwestern Bell |
| (512)449- | Landline | Frontier Comm Of Texas |
| (512)450- | Landline | Southwestern Bell |
| (512)451- | Landline | Southwestern Bell |
| (512)452- | Landline | Southwestern Bell |
| (512)453- | Landline | Southwestern Bell |
| (512)454- | Landline | Southwestern Bell |
| (512)455- | Landline | Centurylink |
| (512)456- | Landline | Global Crossing Local Services |
| (512)457- | Landline | Southwestern Bell |
| (512)458- | Landline | Southwestern Bell |
| (512)459- | Landline | Southwestern Bell |
| (512)460- | Landline | Southwestern Bell |
| (512)461- | Wireless | New Cingular Wireless Pcs |
| (512)462- | Landline | Southwestern Bell |
| (512)463- | Landline | Southwestern Bell |
| (512)464- | Landline | Southwestern Bell |
| (512)465- | Landline | Southwestern Bell |
| (512)466- | Wireless | New Cingular Wireless Pcs |
| (512)467- | Landline | Southwestern Bell |
| (512)468- | Wireless | New Cingular Wireless Pcs |
| (512)469- | Landline | Southwestern Bell |
| (512)470- | Wireless | Verizon Wireless |
| (512)471- | Landline | Southwestern Bell |
| (512)472- | Landline | Southwestern Bell |
| (512)473- | Landline | Southwestern Bell |
| (512)474- | Landline | Southwestern Bell |
| (512)475- | Landline | Southwestern Bell |
| (512)476- | Landline | Southwestern Bell |
| (512)477- | Landline | Southwestern Bell |
| (512)478- | Landline | Southwestern Bell |
| (512)479- | Landline | Southwestern Bell |
| (512)480- | Landline | Southwestern Bell |
| (512)481- | Landline | Southwestern Bell |
| (512)482- | Landline | Southwestern Bell |
| (512)483- | Landline | Southwestern Bell |
| (512)484- | Wireless | New Cingular Wireless Pcs |
| (512)485- | Landline | Level 3 Of Telecom Of Texas |
| (512)486- | Landline | Southwestern Bell |
| (512)487- | Landline | Southwestern Bell |
| (512)488- | Landline | Frontier Comm Of Texas |
| (512)489- | Landline | Frontier Comm Of Texas |
| (512)490- | Landline | Southwestern Bell |
| (512)491- | Landline | Southwestern Bell |
| (512)492- | Landline | Southwestern Bell |
| (512)493- | Landline | Level 3 Of Telecom Of Texas |
| (512)494- | Landline | Southwestern Bell |
| (512)495- | Landline | Southwestern Bell |
| (512)496- | Wireless | New Cingular Wireless Pcs |
| (512)497- | Wireless | New Cingular Wireless Pcs |
| (512)498- | Landline | Level 3 Of Telecom Of Texas |
| (512)499- | Landline | Southwestern Bell |
| (512)500- | Landline | Level 3 Communications |
| (512)501- | Landline | Onvoy |
| (512)502- | Landline | Southwestern Bell |
| (512)503- | Landline | Onvoy |
| (512)504- | Landline | Grande Communications Networks |
| (512)505- | Landline | Southwestern Bell |
| (512)506- | Landline | Southwestern Bell |
| (512)507- | Wireless | Sprint Spectrum |
| (512)508- | Wireless | T-Mobile Usa |
| (512)509- | Landline | Frontier Comm Of Texas |
| (512)510- | Landline | Southwestern Bell |
| (512)512- | Landline | Usfon |
| (512)513- | Landline | Level 3 Of Telecom Of Texas |
| (512)514- | Landline | Southwestern Bell |
| (512)515- | Landline | Southwestern Bell |
| (512)516- | Wireless | Verizon Wireless |
| (512)517- | Wireless | New Cingular Wireless Pcs |
| (512)518- | Landline | Bandwidth.Com Clec |
| (512)519- | Landline | Level 3 Of Telecom Of Texas |
| (512)520- | Landline | Time Warner Cbl |
| (512)521- | Wireless | T-Mobile Usa |
| (512)522- | Landline | Bandwidth.Com Clec |
| (512)523- | Landline | Grande Communications Networks |
| (512)524- | Landline | Grande Communications Networks |
| (512)525- | Wireless | Sprint Spectrum |
| (512)526- | Landline | Teleport Communications America |
| (512)527- | Landline | Southwestern Bell |
| (512)528- | Landline | Southwestern Bell |
| (512)529- | Wireless | Verizon Wireless |
| (512)530- | Landline | Level 3 Of Telecom Of Texas |
| (512)531- | Landline | Level 3 Of Telecom Of Texas |
| (512)532- | Landline | Level 3 Of Telecom Of Texas |
| (512)533- | Landline | Level 3 Of Telecom Of Texas |
| (512)534- | Wireless | Verizon Wireless |
| (512)535- | Wireless | New Cingular Wireless Pcs |
| (512)536- | Landline | Southwestern Bell |
| (512)537- | Landline | Bandwidth.Com Clec |
| (512)538- | Landline | Grande Communications Networks |
| (512)539- | Wireless | Verizon Wireless |
| (512)540- | Wireless | New Cingular Wireless Pcs |
| (512)541- | Wireless | Verizon Wireless |
| (512)542- | Landline | Southwestern Bell |
| (512)543- | Landline | Onvoy |
| (512)544- | Landline | Level 3 Of Telecom Of Texas |
| (512)545- | Wireless | New Cingular Wireless Pcs |
| (512)546- | Landline | Grande Communications Networks |
| (512)547- | Wireless | New Cingular Wireless Pcs |
| (512)548- | Landline | Time Warner Cbl |
| (512)549- | Landline | Southwestern Bell |
| (512)550- | Wireless | New Cingular Wireless Pcs |
| (512)551- | Landline | Global Crossing Local Services |
| (512)552- | Wireless | New Cingular Wireless Pcs |
| (512)553- | Landline | Level 3 Communications |
| (512)554- | Wireless | T-Mobile Usa |
| (512)556- | Landline | Southwestern Bell |
| (512)557- | Wireless | Verizon Wireless |
| (512)558- | Landline | Centurylink |
| (512)559- | Landline | Frontier Comm Of Texas |
| (512)560- | Wireless | New Cingular Wireless Pcs |
| (512)561- | Landline | Level 3 Communications |
| (512)562- | Landline | Level 3 Communications |
| (512)563- | Wireless | Sprint Spectrum |
| (512)564- | Landline | Southwestern Bell |
| (512)565- | Wireless | New Cingular Wireless Pcs |
| (512)566- | Wireless | Sprint Spectrum |
| (512)567- | Wireless | Verizon Wireless |
| (512)568- | Wireless | New Cingular Wireless Pcs |
| (512)569- | Wireless | Verizon Wireless |
| (512)570- | Landline | Level 3 Of Telecom Of Texas |
| (512)571- | Wireless | Verizon Wireless |
| (512)572- | Landline | Onvoy |
| (512)573- | Wireless | Sprint Spectrum |
| (512)574- | Wireless | New Cingular Wireless Pcs |
| (512)575- | Landline | At&T |
| (512)576- | Wireless | T-Mobile Usa |
| (512)577- | Wireless | T-Mobile Usa |
| (512)578- | Landline | Southwestern Bell |
| (512)579- | Landline | Level 3 Of Telecom Of Texas |
| (512)580- | Landline | Time Warner Cbl |
| (512)581- | Landline | Southwestern Bell |
| (512)582- | Landline | Fusion Telecom Of Texas, Ltd., L. |
| (512)583- | Landline | Level 3 Of Telecom Of Texas |
| (512)584- | Wireless | T-Mobile Usa |
| (512)585- | Wireless | Verizon Wireless |
| (512)586- | Wireless | T-Mobile Usa |
| (512)587- | Wireless | Sprint Spectrum |
| (512)588- | Wireless | New Cingular Wireless Pcs |
| (512)589- | Wireless | Sprint Spectrum |
| (512)590- | Wireless | Verizon Wireless |
| (512)591- | Landline | Teleport Communications America |
| (512)592- | Wireless | Verizon Wireless |
| (512)593- | Landline | Bandwidth.Com Clec |
| (512)594- | Landline | Southwestern Bell |
| (512)595- | Landline | Level 3 Communications |
| (512)596- | Wireless | New Cingular Wireless Pcs |
| (512)597- | Landline | Level 3 Of Telecom Of Texas |
| (512)598- | Landline | Cebridge Telecom Tx |
| (512)599- | Landline | Onvoy |
| (512)600- | Landline | Grande Communications Networks |
| (512)601- | Landline | Frontier Comm Of Texas |
| (512)602- | Landline | Teleport Communications America |
| (512)603- | Wireless | Usa Mobility Wireless |
| (512)604- | Wireless | Usa Mobility Wireless |
| (512)605- | Landline | Mcimetro Access Transmission Services |
| (512)606- | Wireless | Usa Mobility Wireless |
| (512)607- | Landline | Grande Communications Networks |
| (512)608- | Landline | Southwestern Bell |
| (512)609- | Landline | Southwestern Bell |
| (512)610- | Landline | Onvoy |
| (512)612- | Wireless | Usa Mobility Wireless |
| (512)613- | Wireless | Usa Mobility Wireless |
| (512)614- | Landline | Time Warner Cbl |
| (512)615- | Landline | Onvoy |
| (512)616- | Landline | Onvoy |
| (512)617- | Landline | Onvoy |
| (512)618- | Wireless | New Cingular Wireless Pcs |
| (512)619- | Wireless | Sprint Spectrum |
| (512)620- | Landline | Southwestern Bell |
| (512)621- | Wireless | Verizon Wireless |
| (512)622- | Wireless | Usa Mobility Wireless |
| (512)623- | Landline | Southwestern Bell |
| (512)624- | Wireless | Usa Mobility Wireless |
| (512)625- | Wireless | Usa Mobility Wireless |
| (512)626- | Wireless | Verizon Wireless |
| (512)627- | Wireless | Verizon Wireless |
| (512)628- | Landline | Grande Communications Networks |
| (512)629- | Wireless | New Cingular Wireless Pcs |
| (512)630- | Wireless | Sprint Spectrum |
| (512)631- | Landline | Onvoy |
| (512)632- | Wireless | New Cingular Wireless Pcs |
| (512)633- | Wireless | New Cingular Wireless Pcs |
| (512)634- | Landline | At&T |
| (512)635- | Wireless | Sprint Spectrum |
| (512)636- | Wireless | Verizon Wireless |
| (512)637- | Landline | Austin Bestline |
| (512)638- | Wireless | Verizon Wireless |
| (512)639- | Wireless | Verizon Wireless |
| (512)640- | Landline | Level 3 Communications |
| (512)641- | Landline | Centurylink Communications |
| (512)642- | Landline | Grande Communications Networks |
| (512)643- | Landline | Bandwidth.Com Clec |
| (512)644- | Wireless | T-Mobile Usa |
| (512)645- | Wireless | Verizon Wireless |
| (512)646- | Landline | Level 3 Of Telecom Of Texas |
| (512)647- | Landline | Level 3 Of Telecom Of Texas |
| (512)648- | Landline | Peerless Network Of Texas |
| (512)649- | Wireless | New Cingular Wireless Pcs |
| (512)650- | Wireless | Sprint Spectrum |
| (512)651- | Landline | Mcimetro Access Transmission Services |
| (512)652- | Landline | Mcimetro Access Transmission Services |
| (512)653- | Wireless | Sprint Spectrum |
| (512)654- | Landline | Southwestern Bell |
| (512)655- | Landline | Southwestern Bell |
| (512)656- | Wireless | New Cingular Wireless Pcs |
| (512)657- | Wireless | New Cingular Wireless Pcs |
| (512)658- | Wireless | New Cingular Wireless Pcs |
| (512)659- | Wireless | Sprint Spectrum |
| (512)660- | Wireless | New Cingular Wireless Pcs |
| (512)661- | Wireless | Verizon Wireless |
| (512)662- | Landline | Bandwidth.Com Clec |
| (512)663- | Wireless | Verizon Wireless |
| (512)664- | Landline | Level 3 Of Telecom Of Texas |
| (512)665- | Wireless | T-Mobile Usa |
| (512)666- | Landline | Worldcall Interconnect |
| (512)667- | Wireless | Verizon Wireless |
| (512)668- | Landline | Time Warner Cbl |
| (512)669- | Landline | Southwestern Bell |
| (512)670- | Landline | Southwestern Bell |
| (512)671- | Landline | Southwestern Bell |
| (512)672- | Landline | Southwestern Bell |
| (512)673- | Landline | Southwestern Bell |
| (512)674- | Landline | Southwestern Bell |
| (512)675- | Landline | Bandwidth.Com Clec |
| (512)676- | Landline | Teleport Communications America |
| (512)677- | Wireless | Sprint Spectrum |
| (512)678- | Landline | Tpx Communications |
| (512)679- | Landline | Metropcs |
| (512)680- | Wireless | Sprint Spectrum |
| (512)681- | Landline | Level 3 Of Telecom Of Texas |
| (512)682- | Landline | Level 3 Of Telecom Of Texas |
| (512)683- | Landline | Level 3 Of Telecom Of Texas |
| (512)684- | Landline | Level 3 Of Telecom Of Texas |
| (512)685- | Landline | Level 3 Of Telecom Of Texas |
| (512)686- | Landline | Level 3 Communications |
| (512)687- | Landline | Caprock Telecommunications |
| (512)688- | Landline | Cebridge Telecom Tx |
| (512)689- | Wireless | Sprint Spectrum |
| (512)690- | Landline | Teleport Communications America |
| (512)691- | Landline | Teleport Communications America |
| (512)692- | Landline | Mcimetro Access Transmission Services |
| (512)693- | Landline | Southwestern Bell |
| (512)694- | Wireless | New Cingular Wireless Pcs |
| (512)695- | Wireless | New Cingular Wireless Pcs |
| (512)696- | Wireless | New Cingular Wireless Pcs |
| (512)697- | Landline | Mcimetro Access Transmission Services |
| (512)698- | Wireless | T-Mobile Usa |
| (512)699- | Wireless | Sprint Spectrum |
| (512)701- | Wireless | New Cingular Wireless Pcs |
| (512)702- | Landline | Tpx Communications |
| (512)703- | Landline | Southwestern Bell |
| (512)704- | Landline | Southwestern Bell |
| (512)705- | Wireless | New Cingular Wireless Pcs |
| (512)706- | Landline | Southwestern Bell |
| (512)707- | Landline | Southwestern Bell |
| (512)708- | Landline | Southwestern Bell |
| (512)709- | Wireless | Sprint Spectrum |
| (512)710- | Landline | Bandwidth.Com Clec |
| (512)712- | Landline | Southwestern Bell |
| (512)713- | Landline | Level 3 Of Telecom Of Texas |
| (512)714- | Landline | At&T |
| (512)715- | Landline | Frontier Comm Of Texas |
| (512)716- | Landline | Southwestern Bell |
| (512)717- | Landline | Peerless Network Of Texas |
| (512)718- | Wireless | New Cingular Wireless Pcs |
| (512)719- | Landline | Southwestern Bell |
| (512)720- | Wireless | Verizon Wireless |
| (512)721- | Landline | Mcimetro Access Transmission Services |
| (512)722- | Landline | Grande Communications Networks |
| (512)723- | Landline | Level 3 Of Telecom Of Texas |
| (512)724- | Landline | Level 3 Of Telecom Of Texas |
| (512)725- | Landline | Level 3 Of Telecom Of Texas |
| (512)726- | Landline | Mcimetro Access Transmission Services |
| (512)727- | Landline | Level 3 Of Telecom Of Texas |
| (512)728- | Landline | Level 3 Of Telecom Of Texas |
| (512)729- | Landline | Onvoy |
| (512)730- | Landline | Southwestern Bell |
| (512)731- | Wireless | Sprint Spectrum |
| (512)732- | Landline | Southwestern Bell |
| (512)733- | Landline | Southwestern Bell |
| (512)734- | Wireless | Verizon Wireless |
| (512)735- | Landline | Tpx Communications |
| (512)736- | Wireless | T-Mobile Usa |
| (512)738- | Wireless | T-Mobile Usa |
| (512)739- | Wireless | New Cingular Wireless Pcs |
| (512)740- | Wireless | Sprint Spectrum |
| (512)741- | Landline | Southwestern Bell |
| (512)742- | Landline | Southwestern Bell |
| (512)743- | Wireless | Sprint Spectrum |
| (512)744- | Landline | Level 3 Of Telecom Of Texas |
| (512)745- | Wireless | Verizon Wireless |
| (512)746- | Landline | Frontier Comm Of Texas |
| (512)747- | Landline | Level 3 Of Telecom Of Texas |
| (512)748- | Wireless | Sprint Spectrum |
| (512)749- | Wireless | Verizon Wireless |
| (512)750- | Wireless | New Cingular Wireless Pcs |
| (512)751- | Wireless | New Cingular Wireless Pcs |
| (512)752- | Landline | Centurylink |
| (512)753- | Landline | Centurylink |
| (512)754- | Landline | Centurylink |
| (512)755- | Wireless | Verizon Wireless |
| (512)756- | Landline | Frontier Comm Of Texas |
| (512)757- | Wireless | New Cingular Wireless Pcs |
| (512)758- | Wireless | T-Mobile Usa |
| (512)759- | Landline | Centurylink |
| (512)760- | Landline | Metropcs |
| (512)761- | Wireless | New Cingular Wireless Pcs |
| (512)762- | Wireless | Sprint Spectrum |
| (512)763- | Landline | Frontier Comm Of Texas |
| (512)764- | Landline | Frontier Comm Of Texas |
| (512)765- | Wireless | New Cingular Wireless Pcs |
| (512)766- | Landline | Bandwidth.Com Clec |
| (512)767- | Wireless | T-Mobile Usa |
| (512)768- | Landline | Southwestern Bell |
| (512)769- | Wireless | Sprint Spectrum |
| (512)770- | Landline | Metropcs |
| (512)771- | Wireless | New Cingular Wireless Pcs |
| (512)772- | Landline | Level 3 Communications |
| (512)773- | Wireless | Sprint Spectrum |
| (512)774- | Landline | Bandwidth.Com Clec |
| (512)775- | Wireless | T-Mobile Usa |
| (512)776- | Landline | Level 3 Of Telecom Of Texas |
| (512)777- | Landline | Worldcall Interconnect |
| (512)778- | Landline | Southwestern Bell |
| (512)779- | Wireless | Sprint Spectrum |
| (512)780- | Landline | Level 3 Of Telecom Of Texas |
| (512)781- | Landline | Centurylink Communications |
| (512)782- | Landline | Southwestern Bell |
| (512)783- | Landline | Metropcs |
| (512)784- | Wireless | Sprint Spectrum |
| (512)785- | Wireless | T-Mobile Usa |
| (512)786- | Wireless | Sprint Spectrum |
| (512)787- | Wireless | T-Mobile Usa |
| (512)788- | Landline | Level 3 Communications |
| (512)789- | Wireless | Sprint Spectrum |
| (512)790- | Landline | Bandwidth.Com Clec |
| (512)791- | Wireless | Sprint Spectrum |
| (512)792- | Landline | Level 3 Communications |
| (512)793- | Landline | Frontier Comm Of Texas |
| (512)794- | Landline | Southwestern Bell |
| (512)795- | Landline | Southwestern Bell |
| (512)796- | Wireless | Sprint Spectrum |
| (512)797- | Wireless | Sprint Spectrum |
| (512)798- | Landline | Matrix Telecom, Llc. S/I/I Tnci |
| (512)799- | Wireless | Sprint Spectrum |
| (512)800- | Wireless | Verizon Wireless |
| (512)801- | Wireless | Sprint Spectrum |
| (512)802- | Wireless | Usa Mobility Wireless |
| (512)803- | Wireless | New Cingular Wireless Pcs |
| (512)804- | Landline | Southwestern Bell |
| (512)805- | Landline | Centurylink |
| (512)806- | Landline | Level 3 Of Telecom Of Texas |
| (512)807- | Landline | Onvoy |
| (512)808- | Landline | Caprock Telecommunications |
| (512)809- | Wireless | Verizon Wireless |
| (512)810- | Wireless | New Cingular Wireless Pcs |
| (512)812- | Landline | Level 3 Communications |
| (512)813- | Landline | Mcimetro Access Transmission Services |
| (512)814- | Wireless | New Cingular Wireless Pcs |
| (512)815- | Wireless | New Cingular Wireless Pcs |
| (512)816- | Landline | Level 3 Of Telecom Of Texas |
| (512)817- | Landline | Onvoy |
| (512)818- | Wireless | New Cingular Wireless Pcs |
| (512)819- | Landline | Frontier Comm Of Texas |
| (512)820- | Wireless | Verizon Wireless |
| (512)821- | Landline | Southwestern Bell |
| (512)822- | Landline | Foremost Telecommunications |
| (512)823- | Landline | Southwestern Bell |
| (512)824- | Landline | Matrix Telecom, Llc. S/I/I Tnci |
| (512)825- | Wireless | T-Mobile Usa |
| (512)826- | Wireless | New Cingular Wireless Pcs |
| (512)827- | Wireless | Verizon Wireless |
| (512)828- | Landline | Southwestern Bell |
| (512)829- | Landline | Teleport Communications America |
| (512)831- | Landline | Onvoy |
| (512)832- | Landline | Southwestern Bell |
| (512)833- | Landline | Southwestern Bell |
| (512)834- | Landline | Southwestern Bell |
| (512)835- | Landline | Southwestern Bell |
| (512)836- | Landline | Southwestern Bell |
| (512)837- | Landline | Southwestern Bell |
| (512)838- | Landline | Southwestern Bell |
| (512)839- | Wireless | New Cingular Wireless Pcs |
| (512)840- | Landline | Centurylink Communications |
| (512)841- | Landline | Southwestern Bell |
| (512)842- | Landline | Level 3 Communications |
| (512)843- | Wireless | Sprint Spectrum |
| (512)844- | Wireless | Sprint Spectrum |
| (512)845- | Wireless | Sprint Spectrum |
| (512)846- | Landline | Centurylink |
| (512)847- | Landline | Frontier Comm Of Texas |
| (512)848- | Wireless | Sprint Spectrum |
| (512)849- | Wireless | Usa Mobility Wireless |
| (512)850- | Wireless | Verizon Wireless |
| (512)851- | Landline | Southwestern Bell |
| (512)852- | Landline | Westel |
| (512)853- | Landline | Mcimetro Access Transmission Services |
| (512)854- | Landline | Southwestern Bell |
| (512)855- | Landline | At&T |
| (512)856- | Landline | Frontier Comm Of Texas |
| (512)857- | Landline | Level 3 Of Telecom Of Texas |
| (512)858- | Landline | Frontier Comm Of Texas |
| (512)859- | Landline | Frontier Comm Of Texas |
| (512)860- | Landline | Southwestern Bell |
| (512)861- | Landline | Onvoy |
| (512)862- | Landline | Frontier Comm Of Texas |
| (512)863- | Landline | Frontier Comm Of Texas |
| (512)864- | Landline | Frontier Comm Of Texas |
| (512)865- | Wireless | New Cingular Wireless Pcs |
| (512)866- | Landline | Peerless Network Of Texas |
| (512)867- | Landline | Southwestern Bell |
| (512)868- | Landline | Frontier Comm Of Texas |
| (512)869- | Landline | Frontier Comm Of Texas |
| (512)870- | Landline | Southwestern Bell |
| (512)871- | Landline | Teleport Communications America |
| (512)872- | Landline | Level 3 Communications |
| (512)873- | Landline | Southwestern Bell |
| (512)874- | Landline | Level 3 Of Telecom Of Texas |
| (512)875- | Wireless | Usa Mobility Wireless |
| (512)876- | Wireless | Sprint Spectrum |
| (512)877- | Landline | Peerless Network Of Texas |
| (512)878- | Landline | Grande Communications Networks |
| (512)879- | Landline | Level 3 Of Telecom Of Texas |
| (512)880- | Landline | Tpx Communications |
| (512)881- | Landline | Onvoy |
| (512)882- | Landline | Onvoy |
| (512)883- | Landline | Peerless Network Of Texas |
| (512)884- | Wireless | Csc Wireless |
| (512)885- | Landline | Onvoy |
| (512)886- | Landline | Bandwidth.Com Clec |
| (512)887- | Wireless | Sprint Spectrum |
| (512)888- | Landline | Bandwidth.Com Clec |
| (512)889- | Landline | Onvoy Spectrum |
| (512)890- | Landline | Peerless Network Of Texas |
| (512)891- | Landline | Southwestern Bell |
| (512)892- | Landline | Southwestern Bell |
| (512)893- | Wireless | T-Mobile Usa |
| (512)894- | Landline | Frontier Comm Of Texas |
| (512)895- | Landline | Southwestern Bell |
| (512)896- | Wireless | Usa Mobility Wireless |
| (512)897- | Wireless | New Cingular Wireless Pcs |
| (512)898- | Landline | Frontier Comm Of Texas |
| (512)899- | Landline | Southwestern Bell |
| (512)900- | Landline | Level 3 Communications |
| (512)901- | Landline | Level 3 Of Telecom Of Texas |
| (512)902- | Wireless | New Cingular Wireless Pcs |
| (512)903- | Wireless | T-Mobile Usa |
| (512)904- | Landline | Level 3 Of Telecom Of Texas |
| (512)905- | Wireless | T-Mobile Usa |
| (512)906- | Wireless | Verizon Wireless |
| (512)907- | Landline | Southwestern Bell |
| (512)908- | Landline | Southwestern Bell |
| (512)909- | Wireless | T-Mobile Usa |
| (512)910- | Wireless | Sprint Spectrum |
| (512)912- | Landline | Southwestern Bell |
| (512)913- | Wireless | New Cingular Wireless Pcs |
| (512)914- | Wireless | New Cingular Wireless Pcs |
| (512)915- | Wireless | New Cingular Wireless Pcs |
| (512)916- | Landline | Southwestern Bell |
| (512)917- | Wireless | New Cingular Wireless Pcs |
| (512)918- | Landline | Southwestern Bell |
| (512)919- | Landline | Southwestern Bell |
| (512)920- | Landline | Nuso |
| (512)921- | Wireless | New Cingular Wireless Pcs |
| (512)922- | Wireless | New Cingular Wireless Pcs |
| (512)923- | Wireless | New Cingular Wireless Pcs |
| (512)924- | Wireless | New Cingular Wireless Pcs |
| (512)925- | Wireless | New Cingular Wireless Pcs |
| (512)926- | Landline | Southwestern Bell |
| (512)927- | Landline | Southwestern Bell |
| (512)928- | Landline | Southwestern Bell |
| (512)929- | Landline | Southwestern Bell |
| (512)930- | Landline | Frontier Comm Of Texas |
| (512)931- | Landline | Frontier Comm Of Texas |
| (512)932- | Landline | Centurylink |
| (512)933- | Landline | Southwestern Bell |
| (512)934- | Landline | Southwestern Bell |
| (512)935- | Wireless | Usa Mobility Wireless |
| (512)936- | Landline | Southwestern Bell |
| (512)937- | Wireless | Verizon Wireless |
| (512)938- | Landline | Grande Communications Networks |
| (512)939- | Wireless | New Cingular Wireless Pcs |
| (512)940- | Wireless | New Cingular Wireless Pcs |
| (512)941- | Landline | Southwestern Bell |
| (512)942- | Landline | Frontier Comm Of Texas |
| (512)943- | Landline | Frontier Comm Of Texas |
| (512)944- | Wireless | New Cingular Wireless Pcs |
| (512)945- | Wireless | New Cingular Wireless Pcs |
| (512)946- | Landline | Level 3 Of Telecom Of Texas |
| (512)947- | Wireless | T-Mobile Usa |
| (512)948- | Landline | Frontier Comm Of Texas |
| (512)949- | Wireless | New Cingular Wireless Pcs |
| (512)951- | Landline | Southwestern Bell |
| (512)952- | Landline | Mcimetro Access Transmission Services |
| (512)953- | Landline | Time Warner Cbl |
| (512)954- | Landline | Teleport Communications America |
| (512)955- | Landline | Fusion Telecom Of Texas, Ltd., L. |
| (512)956- | Landline | Bandwidth.Com Clec |
| (512)957- | Landline | Bandwidth.Com Clec |
| (512)960- | Landline | Rclec |
| (512)961- | Wireless | Sprint Spectrum |
| (512)962- | Wireless | Verizon Wireless |
| (512)963- | Wireless | New Cingular Wireless Pcs |
| (512)964- | Wireless | New Cingular Wireless Pcs |
| (512)965- | Wireless | New Cingular Wireless Pcs |
| (512)966- | Wireless | New Cingular Wireless Pcs |
| (512)967- | Landline | Peerless Network Of Texas |
| (512)968- | Wireless | New Cingular Wireless Pcs |
| (512)969- | Landline | Cebridge Telecom Tx |
| (512)970- | Wireless | New Cingular Wireless Pcs |
| (512)971- | Wireless | New Cingular Wireless Pcs |
| (512)972- | Landline | Southwestern Bell |
| (512)973- | Landline | Southwestern Bell |
| (512)974- | Landline | Southwestern Bell |
| (512)975- | Wireless | New Cingular Wireless Pcs |
| (512)977- | Landline | Southwestern Bell |
| (512)978- | Landline | Southwestern Bell |
| (512)980- | Landline | Telnyx |
| (512)981- | Wireless | New Cingular Wireless Pcs |
| (512)982- | Landline | Teleport Communications America |
| (512)983- | Wireless | New Cingular Wireless Pcs |
| (512)984- | Landline | Southwestern Bell |
| (512)985- | Landline | Time Warner Cbl |
| (512)986- | Wireless | T-Mobile Usa |
| (512)987- | Wireless | Verizon Wireless |
| (512)988- | Wireless | New Cingular Wireless Pcs |
| (512)989- | Landline | Southwestern Bell |
| (512)990- | Landline | Southwestern Bell |
| (512)991- | Landline | Onvoy |
| (512)992- | Wireless | New Cingular Wireless Pcs |
| (512)993- | Wireless | Verizon Wireless |
| (512)994- | Wireless | New Cingular Wireless Pcs |
| (512)995- | Wireless | New Cingular Wireless Pcs |
| (512)996- | Landline | Southwestern Bell |
| (512)997- | Landline | Southwestern Bell |
| (512)998- | Wireless | T-Mobile Usa |
| (512)999- | Landline | Worldcall Interconnect |
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Frequently Asked Questions about the 512 Area Code
Who called me from a 512 number?
A 512 number is assigned to Austin, Texas, so a call may come from there. But caller ID is easy to fake, and scammers often spoof a local 512 code to look nearby, so a 512 number doesn't prove the caller is local. Recently, 2,045 unwanted-call complaints were reported to the FTC for numbers showing the 512 code (57% flagged as robocalls). If you don't recognize the number, let it go to voicemail; a real caller will leave a message.
Is 512 a scam area code?
No area code is a scam on its own. 512 is a normal, officially assigned code for Austin, Texas. Spam callers spoof local codes to raise the odds you answer, so 512 on your caller ID says nothing about who is really calling. Recently, 2,045 unwanted-call complaints were reported to the FTC for numbers showing the 512 code (57% flagged as robocalls). Judge the call itself, not the area code.
Why do I keep getting calls from the 512 area code?
Repeated calls from different 512 numbers are usually spoofing: a robocaller rotates through 512 numbers so each call looks local and slips past simple blocks. Recently, 2,045 unwanted-call complaints were reported to the FTC for numbers showing the 512 code (57% flagged as robocalls). Blocking one number rarely helps; voicemail screening, your carrier spam filter, and the Do Not Call Registry work better.
Should I answer an unknown 512 number?
If you aren't expecting a 512 call, let it ring to voicemail. Legitimate callers leave a message, most robocallers hang up when no one picks up, and answering can mark your number as active and bring more calls.
How do I block calls from the 512 area code?
Block a single 512 number from your recent-calls list (iPhone: tap the number, then Block this Caller; Android: tap the number, then Block or report spam). To cut the volume, turn on Silence Unknown Callers on iPhone or spam protection on Android, enable spam filtering from your carrier, and register at DoNotCall.gov. Blocking the entire 512 code also stops legitimate local calls, so use it only as a last resort.
Where is area code 512?
Area code 512 covers Austin and the surrounding area in Texas, spanning 73 cities with about 2,322,934 residents. It shares its area with overlay code 737.
When did area code 512 go into service?
Area code 512 went into service on January 1, 1947. Overlay code 737 now shares its territory.
Is 512 a real area code?
Yes. 512 is an active code in the North American Numbering Plan, assigned by NANPA and in service for Austin, Texas. A real code can still show up on spoofed spam calls, so treat unknown 512 calls with normal caution.
What timezone is the 512 area code in?
The 512 area code is in the Central Time (CT). Because a number can be kept when someone moves or switches to VoIP, a specific 512 caller may not be in that zone.
How do I call a 512 number from abroad?
From outside the US, dial your country's exit code, then 1 (the US country code), then 512 and the seven-digit number. From a mobile phone you can usually just enter +1 512 followed by the number and let the phone add the exit code for you.