423 Area CodeChattanooga, TN
Area code 423 covers Chattanooga and 108 other cities in Tennessee: 1,421,060 people in 24 counties, led by Hamilton and Sullivan, on Eastern Time (ET) and Central Time (CT). It overlays 729.
Overview
- Major City
- Chattanooga
- State
- Tennessee (TN)
- Timezone
- Eastern / Central
- Current Time
- –:––
- Overlay
- Yes – shares area with 729
Where is area code 423?
Overview of the 423 Area Code
Geographic Coverage of the 423 Area Code
All 109 cities- 191,496
- 73,635
- 57,109
- 50,232
- 32,994
- 27,867
Chattanooga Area Codes Overview
- 423This page
- 729Same territory
What cities does area code 423 cover?
| City | State | Population | Population in 423 | % of listed-city population | % of City |
|---|---|---|---|---|---|
| Chattanooga | TN | 191,496 | 191,496 | 24.1% | 100.0% |
| Johnson City | TN | 73,635 | 73,635 | 9.3% | 100.0% |
| Kingsport | TN | 57,109 | 57,109 | 7.2% | 100.0% |
| Cleveland | TN | 50,232 | 50,232 | 6.3% | 100.0% |
| Morristown | TN | 32,994 | 32,994 | 4.1% | 100.0% |
| Bristol | TN | 27,867 | 27,867 | 3.5% | 100.0% |
| East Ridge | TN | 21,970 | 21,970 | 2.8% | 100.0% |
| Greeneville | TN | 15,979 | 15,979 | 2.0% | 100.0% |
| Athens | TN | 15,050 | 15,050 | 1.9% | 100.0% |
| Elizabethton | TN | 14,461 | 14,461 | 1.8% | 100.0% |
| Soddy-Daisy | TN | 13,430 | 13,430 | 1.7% | 100.0% |
| Middle Valley | TN | 12,684 | 12,684 | 1.6% | 100.0% |
| Red Bank | TN | 12,073 | 12,073 | 1.5% | 100.0% |
| Collegedale | TN | 11,510 | 11,510 | 1.4% | 100.0% |
| Bloomingdale | TN | 9,888 | 9,888 | 1.2% | 100.0% |
| Signal Mountain | TN | 8,877 | 8,877 | 1.1% | 100.0% |
| Dayton | TN | 7,796 | 7,796 | 1.0% | 100.0% |
| Harrison | TN | 7,769 | 7,769 | 1.0% | 100.0% |
| Church Hill | TN | 7,310 | 7,310 | 0.9% | 100.0% |
| La Follette | TN | 7,194 | 7,194 | 0.9% | 100.0% |
| Newport | TN | 6,954 | 6,954 | 0.9% | 100.0% |
| Colonial Heights | TN | 6,934 | 6,934 | 0.9% | 100.0% |
| South Cleveland | TN | 6,912 | 6,912 | 0.9% | 100.0% |
| Jonesborough | TN | 6,746 | 6,746 | 0.8% | 100.0% |
| Sweetwater | TN | 6,676 | 6,676 | 0.8% | 100.0% |
| Erwin | TN | 6,020 | 6,020 | 0.8% | 100.0% |
| Dunlap | TN | 5,960 | 5,960 | 0.7% | 100.0% |
| Mount Carmel | TN | 5,549 | 5,549 | 0.7% | 100.0% |
| Madisonville | TN | 5,395 | 5,395 | 0.7% | 100.0% |
| Rogersville | TN | 4,720 | 4,720 | 0.6% | 100.0% |
| Harrogate | TN | 4,438 | 4,438 | 0.6% | 100.0% |
| Oak Grove | TN | 4,425 | 4,425 | 0.6% | 100.0% |
| Spurgeon | TN | 3,957 | 3,957 | 0.5% | 100.0% |
| Oneida | TN | 3,875 | 3,875 | 0.5% | 100.0% |
| Unicoi | TN | 3,845 | 3,845 | 0.5% | 100.0% |
| Etowah | TN | 3,742 | 3,742 | 0.5% | 100.0% |
| Jasper | TN | 3,655 | 3,655 | 0.5% | 100.0% |
| Tusculum | TN | 3,394 | 3,394 | 0.4% | 100.0% |
| Wildwood Lake | TN | 3,124 | 3,124 | 0.4% | 100.0% |
| Blountville | TN | 3,074 | 3,074 | 0.4% | 100.0% |
| South Pittsburg | TN | 2,969 | 2,969 | 0.4% | 100.0% |
| Sale Creek | TN | 2,845 | 2,845 | 0.4% | 100.0% |
| Fairmount | TN | 2,825 | 2,825 | 0.4% | 100.0% |
| New Tazewell | TN | 2,824 | 2,824 | 0.4% | 100.0% |
| Mosheim | TN | 2,560 | 2,560 | 0.3% | 100.0% |
| Mountain City | TN | 2,486 | 2,486 | 0.3% | 100.0% |
| Apison | TN | 2,469 | 2,469 | 0.3% | 100.0% |
| Walnut Hill | TN | 2,394 | 2,394 | 0.3% | 100.0% |
| Pine Crest | TN | 2,388 | 2,388 | 0.3% | 100.0% |
| Tazewell | TN | 2,380 | 2,380 | 0.3% | 100.0% |
| Central | TN | 2,279 | 2,279 | 0.3% | 100.0% |
| Jacksboro | TN | 2,248 | 2,248 | 0.3% | 100.0% |
| Caryville | TN | 2,207 | 2,207 | 0.3% | 100.0% |
| Jellico | TN | 2,122 | 2,122 | 0.3% | 100.0% |
| Lookout Mountain | TN | 2,038 | 2,038 | 0.3% | 100.0% |
| Spring City | TN | 1,996 | 1,996 | 0.2% | 100.0% |
| Walden | TN | 1,974 | 1,974 | 0.2% | 100.0% |
| Lakesite | TN | 1,949 | 1,949 | 0.2% | 100.0% |
| Surgoinsville | TN | 1,930 | 1,930 | 0.2% | 100.0% |
| Pikeville | TN | 1,879 | 1,879 | 0.2% | 100.0% |
| Hopewell | TN | 1,874 | 1,874 | 0.2% | 100.0% |
| Hunter | TN | 1,854 | 1,854 | 0.2% | 100.0% |
| Bluff City | TN | 1,838 | 1,838 | 0.2% | 100.0% |
| Huntsville | TN | 1,741 | 1,741 | 0.2% | 100.0% |
| Vonore | TN | 1,684 | 1,684 | 0.2% | 100.0% |
| Decatur | TN | 1,652 | 1,652 | 0.2% | 100.0% |
| Kimball | TN | 1,638 | 1,638 | 0.2% | 100.0% |
| Fincastle | TN | 1,618 | 1,618 | 0.2% | 100.0% |
| Whitwell | TN | 1,616 | 1,616 | 0.2% | 100.0% |
| Mowbray Mountain | TN | 1,615 | 1,615 | 0.2% | 100.0% |
| East Cleveland | TN | 1,608 | 1,608 | 0.2% | 100.0% |
| Englewood | TN | 1,590 | 1,590 | 0.2% | 100.0% |
| Graysville | TN | 1,508 | 1,508 | 0.2% | 100.0% |
| Banner Hill | TN | 1,497 | 1,497 | 0.2% | 100.0% |
| Benton | TN | 1,458 | 1,458 | 0.2% | 100.0% |
| Roan Mountain | TN | 1,360 | 1,360 | 0.2% | 100.0% |
| Sneedville | TN | 1,344 | 1,344 | 0.2% | 100.0% |
| Powells Crossroads | TN | 1,294 | 1,294 | 0.2% | 100.0% |
| Fall Branch | TN | 1,291 | 1,291 | 0.2% | 100.0% |
| Falling Water | TN | 1,232 | 1,232 | 0.2% | 100.0% |
| Gray | TN | 1,222 | 1,222 | 0.1% | 100.0% |
| Lone Oak | TN | 1,206 | 1,206 | 0.1% | 100.0% |
| Winfield | TN | 1,020 | 1,020 | 0.1% | 100.0% |
| New Hope | TN | 973 | 973 | 0.1% | 100.0% |
| Wartburg | TN | 944 | 944 | 0.1% | 100.0% |
| Mooresburg | TN | 941 | 941 | 0.1% | 100.0% |
| Telford | TN | 921 | 921 | 0.1% | 100.0% |
| Charleston | TN | 910 | 910 | 0.1% | 100.0% |
| Helenwood | TN | 865 | 865 | 0.1% | 100.0% |
| Niota | TN | 821 | 821 | 0.1% | 100.0% |
| Tellico Plains | TN | 781 | 781 | 0.1% | 100.0% |
| Bulls Gap | TN | 771 | 771 | 0.1% | 100.0% |
| Ooltewah | TN | 687 | 687 | 0.1% | 100.0% |
| Riceville | TN | 670 | 670 | 0.1% | 100.0% |
| Petros | TN | 583 | 583 | 0.1% | 100.0% |
| Calhoun | TN | 562 | 562 | 0.1% | 100.0% |
| Sunbright | TN | 543 | 543 | 0.1% | 100.0% |
| Copperhill | TN | 457 | 457 | 0.1% | 100.0% |
| Baileyton | TN | 450 | 450 | 0.1% | 100.0% |
| Ducktown | TN | 448 | 448 | 0.1% | 100.0% |
| Ridgeside | TN | 444 | 444 | 0.1% | 100.0% |
| Flat Top Mountain | TN | 422 | 422 | 0.0% | 100.0% |
| Watauga | TN | 367 | 367 | 0.0% | 100.0% |
| Cumberland Gap | TN | 313 | 313 | 0.0% | 100.0% |
| Robbins | TN | 287 | 287 | 0.0% | 100.0% |
| Elgin | TN | 282 | 282 | 0.0% | 100.0% |
| Parrottsville | TN | 227 | 227 | 0.0% | 100.0% |
| Oakdale | TN | 199 | 199 | 0.0% | 100.0% |
| Orme | TN | 85 | 85 | 0.0% | 100.0% |
City population is shown in full; each city's share inside 423 is measured from Census tract centroids.
What counties does area code 423 cover?
| County | State | Population in 423 | % of area-code footprint | % of County |
|---|---|---|---|---|
| Hamilton County | TN | 366,207 | 26% | 100% |
| Sullivan County | TN | 158,163 | 11% | 100% |
| Washington County | TN | 133,001 | 9% | 100% |
| Bradley County | TN | 108,620 | 8% | 100% |
| Greene County | TN | 70,152 | 5% | 100% |
| Hamblen County | TN | 64,499 | 5% | 100% |
| Hawkins County | TN | 56,721 | 4% | 100% |
| Carter County | TN | 56,356 | 4% | 100% |
| McMinn County | TN | 53,276 | 4% | 100% |
| Monroe County | TN | 46,250 | 3% | 100% |
| Cocke County | TN | 35,999 | 3% | 100% |
| Campbell County | TN | 34,628 | 2% | 88% |
| Rhea County | TN | 32,870 | 2% | 100% |
| Claiborne County | TN | 32,043 | 2% | 100% |
| Marion County | TN | 25,811 | 2% | 90% |
| Scott County | TN | 21,850 | 2% | 100% |
| Morgan County | TN | 21,035 | 1% | 100% |
| Johnson County | TN | 17,948 | 1% | 100% |
| Unicoi County | TN | 17,928 | 1% | 100% |
| Polk County | TN | 17,544 | 1% | 100% |
| Sequatchie County | TN | 15,826 | 1% | 100% |
| Bledsoe County | TN | 14,913 | 1% | 100% |
| Meigs County | TN | 12,758 | 1% | 100% |
| Hancock County | TN | 6,662 | 0% | 100% |
Sources:
- Census PEP Vintage 2024 (city populations)
- · 2020 Census tract centroids with NANP and TIGERweb boundaries (footprint, counties, city shares)
- · NANPA NPA and CO Code reports (dates, prefixes)
- · Methodology
Has area code 423 been reported for unwanted calls?
Yes – 4,278 FTC complaints, May 29 – Oct 1, 2026.
- 59% robocalls
- ↑ 70% vs prior period
- FTC data, retrieved 2026-10-05
Most-reported subjects
- Other45%1,927
- Medical & prescriptions21%917
- Calls pretending to be government, businesses, or family and friends10%408
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.
Which prefixes and exchanges belong to area code 423?
72% assigned to a telco
- 70% Landline
- 30% Wireless
- 0% Unknown
of 724 | ||
| Prefix | Usage | Carrier |
|---|---|---|
| (423)200- | Landline | Level 3 Communications |
| (423)201- | Landline | Level 3 Communications |
| (423)202- | Landline | Mcimetro Access Transmission Services |
| (423)203- | Wireless | Dish Wireless |
| (423)205- | Landline | Onvoy |
| (423)206- | Landline | Rclec |
| (423)207- | Landline | Level 3 Communications |
| (423)208- | Wireless | New Cingular Wireless Pcs |
| (423)209- | Landline | South Central Bell Tel |
| (423)210- | Wireless | United States Cellular |
| (423)212- | Landline | Level 3 Communications |
| (423)213- | Wireless | T-Mobile Usa |
| (423)214- | Wireless | United States Cellular |
| (423)215- | Wireless | Verizon Wireless |
| (423)216- | Landline | Deltacom |
| (423)217- | Landline | Level 3 Communications |
| (423)218- | Landline | Level 3 Communications |
| (423)219- | Landline | Teleport Communications America |
| (423)220- | Landline | Us Lec Of Tennessee |
| (423)221- | Wireless | Usa Mobility Wireless |
| (423)222- | Wireless | New Cingular Wireless Pcs |
| (423)223- | Wireless | New Cingular Wireless Pcs |
| (423)224- | Landline | Centurylink |
| (423)225- | Landline | Level 3 Communications |
| (423)226- | Landline | Bandwidth.Com Clec |
| (423)227- | Landline | Powertel Atlanta Licenses |
| (423)228- | Landline | Us Lec Of Tennessee |
| (423)229- | Landline | Centurylink |
| (423)230- | Landline | Centurylink |
| (423)231- | Wireless | New Cingular Wireless Pcs |
| (423)232- | Landline | Centurylink |
| (423)233- | Landline | Pro Page Partners |
| (423)234- | Landline | Centurylink |
| (423)235- | Landline | South Central Bell Tel |
| (423)236- | Landline | Centurylink |
| (423)237- | Wireless | New Cingular Wireless Pcs |
| (423)238- | Landline | Centurylink |
| (423)239- | Landline | Centurylink |
| (423)240- | Wireless | Verizon Wireless |
| (423)241- | Wireless | Verizon Wireless |
| (423)242- | Landline | Teleport Communications America |
| (423)243- | Landline | Teleport Communications America |
| (423)244- | Landline | Teleport Communications America |
| (423)245- | Landline | Centurylink |
| (423)246- | Landline | Centurylink |
| (423)247- | Landline | Centurylink |
| (423)248- | Wireless | United States Cellular |
| (423)249- | Landline | South Central Bell Tel |
| (423)250- | Landline | Twin Lakes Communications |
| (423)251- | Landline | Metropcs |
| (423)252- | Landline | Us Lec Of Tennessee |
| (423)253- | Landline | Tellico Tel. Co. |
| (423)254- | Landline | Bti |
| (423)255- | Landline | Powertel Atlanta Licenses |
| (423)256- | Landline | Centurylink |
| (423)257- | Landline | Centurylink |
| (423)258- | Wireless | New Cingular Wireless Pcs |
| (423)259- | Wireless | United States Cellular |
| (423)260- | Wireless | Verizon Wireless |
| (423)261- | Landline | Tellico Tel. Co. |
| (423)262- | Landline | Centurylink |
| (423)263- | Landline | South Central Bell Tel |
| (423)264- | Landline | Comcast Ip Phone |
| (423)265- | Landline | South Central Bell Tel |
| (423)266- | Landline | South Central Bell Tel |
| (423)267- | Landline | South Central Bell Tel |
| (423)268- | Wireless | New Cingular Wireless Pcs |
| (423)269- | Wireless | Verizon Wireless |
| (423)270- | Wireless | Verizon Wireless |
| (423)271- | Wireless | Verizon Wireless |
| (423)272- | Landline | South Central Bell Tel |
| (423)273- | Wireless | Sprint Spectrum |
| (423)274- | Landline | Centurylink |
| (423)275- | Landline | Us Lec Of Tennessee |
| (423)276- | Wireless | New Cingular Wireless Pcs |
| (423)277- | Wireless | Sprint Spectrum |
| (423)278- | Landline | Level 3 Communications |
| (423)279- | Landline | Centurylink |
| (423)280- | Wireless | Verizon Wireless |
| (423)281- | Landline | Charter Fiberlink-Tennessee |
| (423)282- | Landline | Centurylink |
| (423)283- | Landline | Centurylink |
| (423)284- | Wireless | New Cingular Wireless Pcs |
| (423)285- | Wireless | New Cingular Wireless Pcs |
| (423)286- | Landline | Highland Tel. Coop |
| (423)287- | Landline | South Central Bell Tel |
| (423)288- | Landline | Centurylink |
| (423)289- | Landline | Powertel Nashville Licenses |
| (423)290- | Wireless | Verizon Wireless |
| (423)291- | Wireless | T-Mobile Usa |
| (423)292- | Wireless | T-Mobile Usa |
| (423)293- | Wireless | Sprint Spectrum |
| (423)294- | Landline | Centurylink Communications |
| (423)295- | Landline | Tellico Tel. Co. |
| (423)296- | Landline | South Central Bell Tel |
| (423)297- | Landline | Level 3 Communications |
| (423)298- | Landline | At&T |
| (423)299- | Landline | Level 3 Communications |
| (423)300- | Wireless | Verizon Wireless |
| (423)301- | Landline | Mcimetro Access Transmission Services |
| (423)302- | Landline | Bandwidth.Com Clec |
| (423)303- | Landline | Us Lec Of Tennessee |
| (423)304- | Wireless | New Cingular Wireless Pcs |
| (423)305- | Landline | Comcast Ip Phone |
| (423)306- | Wireless | Verizon Wireless |
| (423)307- | Landline | Windstream Norlight |
| (423)308- | Landline | Us Lec Of Tennessee |
| (423)309- | Wireless | Verizon Wireless |
| (423)310- | Wireless | New Cingular Wireless Pcs |
| (423)312- | Wireless | Verizon Wireless |
| (423)313- | Landline | Powertel Atlanta Licenses |
| (423)314- | Landline | Powertel Atlanta Licenses |
| (423)315- | Wireless | New Cingular Wireless Pcs |
| (423)316- | Landline | Powertel Atlanta Licenses |
| (423)317- | Landline | South Central Bell Tel |
| (423)318- | Landline | South Central Bell Tel |
| (423)319- | Landline | Highland Tel. Coop |
| (423)320- | Wireless | New Cingular Wireless Pcs |
| (423)321- | Landline | South Central Bell Tel |
| (423)322- | Wireless | Verizon Wireless |
| (423)323- | Landline | Centurylink |
| (423)324- | Landline | Highland Tel. Coop |
| (423)325- | Landline | Centurylink |
| (423)326- | Landline | South Central Bell Tel |
| (423)327- | Wireless | Verizon Wireless |
| (423)328- | Landline | Comcast Ip Phone |
| (423)329- | Wireless | New Cingular Wireless Pcs |
| (423)330- | Wireless | New Cingular Wireless Pcs |
| (423)331- | Landline | Powertel Atlanta Licenses |
| (423)332- | Landline | South Central Bell Tel |
| (423)333- | Wireless | Sprint Spectrum |
| (423)334- | Landline | South Central Bell Tel |
| (423)335- | Wireless | Verizon Wireless |
| (423)336- | Landline | South Central Bell Tel |
| (423)337- | Landline | South Central Bell Tel |
| (423)338- | Landline | South Central Bell Tel |
| (423)339- | Landline | South Central Bell Tel |
| (423)340- | Wireless | T-Mobile Usa |
| (423)341- | Wireless | Verizon Wireless |
| (423)342- | Wireless | New Cingular Wireless Pcs |
| (423)343- | Landline | Centurylink |
| (423)344- | Landline | South Central Bell Tel |
| (423)345- | Landline | South Central Bell Tel |
| (423)346- | Landline | Highland Tel. Coop |
| (423)347- | Landline | Windstream Nuvox |
| (423)348- | Landline | Centurylink |
| (423)349- | Landline | Centurylink |
| (423)350- | Landline | Commio |
| (423)351- | Landline | South Central Bell Tel |
| (423)352- | Landline | Us Lec Of Tennessee |
| (423)353- | Landline | Windstream Norlight |
| (423)354- | Landline | Centurylink |
| (423)355- | Wireless | New Cingular Wireless Pcs |
| (423)356- | Wireless | New Cingular Wireless Pcs |
| (423)357- | Landline | Centurylink |
| (423)358- | Wireless | Sprint Spectrum |
| (423)359- | Landline | Centurylink |
| (423)360- | Wireless | Verizon Wireless |
| (423)361- | Wireless | Verizon Wireless |
| (423)362- | Wireless | New Cingular Wireless Pcs |
| (423)363- | Wireless | United States Cellular |
| (423)364- | Wireless | New Cingular Wireless Pcs |
| (423)365- | Landline | South Central Bell Tel |
| (423)366- | Wireless | New Cingular Wireless Pcs |
| (423)367- | Wireless | New Cingular Wireless Pcs |
| (423)368- | Wireless | Verizon Wireless |
| (423)369- | Landline | Highland Tel. Coop |
| (423)370- | Landline | Onvoy |
| (423)371- | Wireless | Sprint Spectrum |
| (423)372- | Landline | Level 3 Communications |
| (423)373- | Landline | Onvoy |
| (423)374- | Landline | Onvoy |
| (423)375- | Landline | At&T |
| (423)376- | Landline | Onvoy |
| (423)377- | Wireless | United States Cellular |
| (423)378- | Landline | Centurylink |
| (423)379- | Landline | Onvoy |
| (423)380- | Landline | Bandwidth.Com Clec |
| (423)381- | Wireless | Sprint Spectrum |
| (423)382- | Landline | Onvoy |
| (423)383- | Wireless | T-Mobile Usa |
| (423)384- | Wireless | T-Mobile Usa |
| (423)385- | Landline | Us Lec Of Tennessee |
| (423)386- | Landline | South Central Bell Tel |
| (423)387- | Landline | Onvoy Spectrum |
| (423)388- | Wireless | T-Mobile Usa |
| (423)389- | Wireless | Verizon Wireless |
| (423)390- | Landline | Centurylink |
| (423)391- | Landline | Centurylink |
| (423)392- | Landline | Centurylink |
| (423)393- | Landline | Charter Fiberlink-Tennessee |
| (423)394- | Wireless | New Cingular Wireless Pcs |
| (423)395- | Landline | Powertel Nashville Licenses |
| (423)396- | Landline | Centurylink |
| (423)397- | Landline | Bandwidth.Com Clec |
| (423)398- | Landline | Metropcs |
| (423)399- | Wireless | Usa Mobility Wireless |
| (423)400- | Wireless | Sprint Spectrum |
| (423)401- | Landline | Us Lec Of Tennessee |
| (423)402- | Landline | Bandwidth.Com Clec |
| (423)403- | Landline | Bandwidth.Com Clec |
| (423)404- | Wireless | New Cingular Wireless Pcs |
| (423)405- | Wireless | Sprint Spectrum |
| (423)406- | Landline | Comcast Ip Phone |
| (423)407- | Landline | Twin Lakes Communications |
| (423)408- | Landline | Teleport Communications America |
| (423)409- | Wireless | Usa Mobility Wireless |
| (423)410- | Landline | Centurylink |
| (423)412- | Wireless | Usa Mobility Wireless |
| (423)413- | Wireless | Verizon Wireless |
| (423)414- | Landline | Peace Communications |
| (423)415- | Wireless | Verizon Wireless |
| (423)416- | Wireless | Verizon Wireless |
| (423)417- | Landline | Mcimetro Access Transmission Services |
| (423)418- | Wireless | Verizon Wireless |
| (423)419- | Wireless | Verizon Wireless |
| (423)420- | Landline | South Central Bell Tel |
| (423)421- | Wireless | Sprint Spectrum |
| (423)422- | Landline | Centurylink |
| (423)424- | Landline | Us Lec Of Tennessee |
| (423)425- | Landline | South Central Bell Tel |
| (423)426- | Wireless | Verizon Wireless |
| (423)427- | Landline | Onvoy |
| (423)428- | Landline | Deltacom |
| (423)429- | Wireless | New Cingular Wireless Pcs |
| (423)430- | Landline | Nuso |
| (423)431- | Landline | Centurylink |
| (423)432- | Wireless | Sprint Spectrum |
| (423)433- | Landline | Centurylink |
| (423)434- | Landline | Centurylink |
| (423)435- | Landline | Level 3 Communications |
| (423)436- | Landline | Level 3 Communications |
| (423)437- | Landline | Level 3 Communications |
| (423)438- | Landline | Level 3 Communications |
| (423)439- | Landline | Centurylink |
| (423)440- | Wireless | Verizon Wireless |
| (423)441- | Wireless | Sprint Spectrum |
| (423)442- | Landline | South Central Bell Tel |
| (423)443- | Landline | Level 3 Communications |
| (423)444- | Wireless | Verizon Wireless |
| (423)445- | Landline | At&T |
| (423)446- | Landline | Centurylink Communications |
| (423)447- | Landline | Bledsoe Tel. Coop. |
| (423)448- | Wireless | New Cingular Wireless Pcs |
| (423)449- | Landline | Deltacom |
| (423)450- | Landline | Comcast Ip Phone |
| (423)451- | Landline | South Central Bell Tel |
| (423)452- | Landline | South Central Bell Tel |
| (423)453- | Landline | Level 3 Communications |
| (423)454- | Landline | Level 3 Communications |
| (423)455- | Landline | Level 3 Communications |
| (423)456- | Landline | Telnyx |
| (423)457- | Wireless | Verizon Wireless |
| (423)458- | Wireless | New Cingular Wireless Pcs |
| (423)459- | Landline | Teleport Communications America |
| (423)460- | Landline | Bandwidth.Com Clec |
| (423)461- | Landline | Centurylink |
| (423)462- | Landline | Tellico Tel. Co. |
| (423)463- | Landline | South Central Bell Tel |
| (423)464- | Landline | Powertel Atlanta Licenses |
| (423)465- | Wireless | New Cingular Wireless Pcs |
| (423)466- | Landline | Powertel Nashville Licenses |
| (423)467- | Landline | Centurylink |
| (423)468- | Landline | Onvoy |
| (423)469- | Wireless | Usa Mobility Wireless |
| (423)470- | Wireless | Verizon Wireless |
| (423)471- | Wireless | New Cingular Wireless Pcs |
| (423)472- | Landline | South Central Bell Tel |
| (423)473- | Landline | South Central Bell Tel |
| (423)474- | Landline | Centurylink |
| (423)475- | Wireless | Sprint Spectrum |
| (423)476- | Landline | South Central Bell Tel |
| (423)477- | Landline | Centurylink |
| (423)478- | Landline | South Central Bell Tel |
| (423)479- | Landline | South Central Bell Tel |
| (423)480- | Wireless | Verizon Wireless |
| (423)481- | Landline | Bandwidth.Com Clec |
| (423)482- | Landline | Level 3 Communications |
| (423)483- | Wireless | Verizon Wireless |
| (423)484- | Landline | Level 3 Communications |
| (423)485- | Landline | South Central Bell Tel |
| (423)486- | Wireless | Verizon Wireless |
| (423)487- | Landline | South Central Bell Tel |
| (423)488- | Wireless | New Cingular Wireless Pcs |
| (423)489- | Wireless | New Cingular Wireless Pcs |
| (423)490- | Landline | South Central Bell Tel |
| (423)491- | Landline | Centurylink Communications |
| (423)492- | Landline | South Central Bell Tel |
| (423)493- | Landline | South Central Bell Tel |
| (423)494- | Wireless | Verizon Wireless |
| (423)495- | Landline | South Central Bell Tel |
| (423)496- | Landline | South Central Bell Tel |
| (423)497- | Landline | Metropcs |
| (423)498- | Landline | Electric Power Board Of Chattanooga |
| (423)499- | Landline | South Central Bell Tel |
| (423)500- | Landline | Charter Fiberlink-Tennessee |
| (423)501- | Landline | Skybest Communications |
| (423)502- | Wireless | Verizon Wireless |
| (423)503- | Wireless | Sprint Spectrum |
| (423)504- | Wireless | Sprint Spectrum |
| (423)505- | Wireless | Sprint Spectrum |
| (423)506- | Wireless | Verizon Wireless |
| (423)507- | Landline | South Central Bell Tel |
| (423)508- | Landline | Teleport Communications America |
| (423)509- | Landline | Onvoy |
| (423)510- | Landline | South Central Bell Tel |
| (423)512- | Wireless | Verizon Wireless |
| (423)513- | Landline | Teleport Communications America |
| (423)514- | Wireless | Usa Mobility Wireless |
| (423)515- | Landline | Onvoy |
| (423)516- | Landline | Centurylink |
| (423)517- | Landline | South Central Bell Tel |
| (423)518- | Wireless | T-Mobile Usa |
| (423)519- | Wireless | United States Cellular |
| (423)520- | Landline | Us Lec Of Tennessee |
| (423)521- | Landline | Powertel Atlanta Licenses |
| (423)522- | Landline | South Central Bell Tel |
| (423)523- | Wireless | Verizon Wireless |
| (423)524- | Landline | Nuso |
| (423)525- | Landline | Level 3 Communications |
| (423)526- | Landline | Centurylink |
| (423)527- | Landline | Commio |
| (423)528- | Landline | Bandwidth.Com Clec |
| (423)529- | Landline | Deltacom |
| (423)530- | Landline | Metropcs |
| (423)531- | Landline | Electric Power Board Of Chattanooga |
| (423)532- | Landline | Us Lec Of Tennessee |
| (423)533- | Landline | Bledsoe Tel. Coop. |
| (423)534- | Wireless | Verizon Wireless |
| (423)535- | Landline | Mcimetro Access Transmission Services |
| (423)536- | Landline | Us Lec Of Tennessee |
| (423)537- | Landline | Us Lec Of Tennessee |
| (423)538- | Landline | Centurylink |
| (423)539- | Wireless | New Cingular Wireless Pcs |
| (423)540- | Landline | Peerless Network Of Tennessee |
| (423)541- | Landline | Vonage America |
| (423)542- | Landline | Centurylink |
| (423)543- | Landline | Centurylink |
| (423)544- | Wireless | Sprint Spectrum |
| (423)545- | Landline | Level 3 Communications |
| (423)546- | Landline | Level 3 Communications |
| (423)547- | Landline | Centurylink |
| (423)548- | Landline | Etc Communications |
| (423)549- | Landline | Vonage America |
| (423)550- | Landline | Bandwidth.Com Clec |
| (423)551- | Landline | Centurylink Communications |
| (423)552- | Wireless | Verizon Wireless |
| (423)553- | Landline | South Central Bell Tel |
| (423)554- | Landline | Bledsoe Tel. Coop. |
| (423)556- | Landline | Bandwidth.Com Clec |
| (423)557- | Wireless | T-Mobile Usa |
| (423)558- | Landline | Onvoy |
| (423)559- | Landline | South Central Bell Tel |
| (423)560- | Landline | Onvoy |
| (423)561- | Landline | Centurylink Communications |
| (423)562- | Landline | South Central Bell Tel |
| (423)563- | Landline | South Central Bell Tel |
| (423)564- | Wireless | Verizon Wireless |
| (423)565- | Landline | Bandwidth.Com Clec |
| (423)566- | Landline | South Central Bell Tel |
| (423)567- | Wireless | New Cingular Wireless Pcs |
| (423)568- | Landline | Tellico Tel. Co. |
| (423)569- | Landline | Highland Tel. Coop |
| (423)570- | Landline | South Central Bell Tel |
| (423)571- | Wireless | Verizon Wireless |
| (423)572- | Wireless | United States Cellular |
| (423)573- | Landline | Bristol Tennessee Essential Services |
| (423)574- | Landline | Bristol Tennessee Essential Services |
| (423)575- | Landline | Bristol Tennessee Essential Services |
| (423)577- | Wireless | New Cingular Wireless Pcs |
| (423)578- | Landline | Centurylink |
| (423)579- | Landline | Mountainet Telephone |
| (423)580- | Wireless | New Cingular Wireless Pcs |
| (423)581- | Landline | South Central Bell Tel |
| (423)582- | Landline | South Central Bell Tel |
| (423)583- | Landline | Bandwidth.Com Clec |
| (423)584- | Wireless | New Cingular Wireless Pcs |
| (423)585- | Landline | South Central Bell Tel |
| (423)586- | Landline | South Central Bell Tel |
| (423)587- | Landline | South Central Bell Tel |
| (423)588- | Wireless | Verizon Wireless |
| (423)589- | Wireless | New Cingular Wireless Pcs |
| (423)590- | Landline | Bandwidth.Com Clec |
| (423)591- | Landline | Ymax Communications |
| (423)592- | Wireless | United States Cellular |
| (423)593- | Wireless | Sprint Spectrum |
| (423)594- | Landline | At&T |
| (423)595- | Wireless | Sprint Spectrum |
| (423)596- | Wireless | New Cingular Wireless Pcs |
| (423)597- | Landline | Bandwidth.Com Clec |
| (423)598- | Wireless | New Cingular Wireless Pcs |
| (423)599- | Wireless | Verizon Wireless |
| (423)600- | Landline | Comcast Ip Phone |
| (423)601- | Landline | South Central Bell Tel |
| (423)602- | Landline | Nuso |
| (423)603- | Landline | At&T |
| (423)604- | Landline | Onvoy |
| (423)605- | Wireless | Verizon Wireless |
| (423)606- | Landline | Comcast Ip Phone |
| (423)607- | Wireless | Verizon Wireless |
| (423)608- | Wireless | Verizon Wireless |
| (423)609- | Wireless | Verizon Wireless |
| (423)610- | Landline | Centurylink |
| (423)612- | Wireless | Verizon Wireless |
| (423)613- | Landline | South Central Bell Tel |
| (423)614- | Landline | South Central Bell Tel |
| (423)615- | Landline | Comcast Ip Phone |
| (423)616- | Landline | Mrstwn Ut Sys Fibernet |
| (423)617- | Landline | Powertel Nashville Licenses |
| (423)618- | Wireless | Verizon Wireless |
| (423)619- | Wireless | Verizon Wireless |
| (423)620- | Wireless | Verizon Wireless |
| (423)621- | Wireless | Verizon Wireless |
| (423)622- | Landline | South Central Bell Tel |
| (423)623- | Landline | South Central Bell Tel |
| (423)624- | Landline | South Central Bell Tel |
| (423)625- | Landline | South Central Bell Tel |
| (423)626- | Landline | Centurylink |
| (423)627- | Landline | Highland Tel. Coop |
| (423)628- | Landline | Highland Tel. Coop |
| (423)629- | Landline | South Central Bell Tel |
| (423)630- | Landline | Telescan |
| (423)631- | Landline | Charter Fiberlink-Tennessee |
| (423)632- | Landline | Twin Lakes Communications |
| (423)633- | Landline | Telnyx |
| (423)634- | Landline | South Central Bell Tel |
| (423)635- | Wireless | New Cingular Wireless Pcs |
| (423)636- | Landline | Centurylink |
| (423)637- | Wireless | Verizon Wireless |
| (423)638- | Landline | Centurylink |
| (423)639- | Landline | Centurylink |
| (423)640- | Landline | At&T |
| (423)641- | Landline | Bandwidth.Com Clec |
| (423)642- | Landline | South Central Bell Tel |
| (423)643- | Landline | Electric Power Board Of Chattanooga |
| (423)644- | Wireless | New Cingular Wireless Pcs |
| (423)645- | Wireless | New Cingular Wireless Pcs |
| (423)646- | Wireless | T-Mobile Usa |
| (423)647- | Wireless | T-Mobile Usa |
| (423)648- | Landline | Electric Power Board Of Chattanooga |
| (423)649- | Landline | South Central Bell Tel |
| (423)650- | Wireless | Verizon Wireless |
| (423)651- | Landline | Telnyx |
| (423)652- | Landline | Centurylink |
| (423)653- | Wireless | New Cingular Wireless Pcs |
| (423)654- | Wireless | Csc Wireless |
| (423)655- | Wireless | Usa Mobility Wireless |
| (423)656- | Wireless | Csc Wireless |
| (423)657- | Landline | Bandwidth.Com Clec |
| (423)658- | Landline | South Central Bell Tel |
| (423)659- | Landline | Teleport Communications America |
| (423)660- | Landline | Twilio International |
| (423)661- | Wireless | Verizon Wireless |
| (423)662- | Landline | Onvoy |
| (423)663- | Landline | Highland Tel. Coop |
| (423)664- | Landline | Centurylink Communications |
| (423)665- | Landline | Level 3 Communications |
| (423)666- | Landline | Onvoy |
| (423)667- | Wireless | Verizon Wireless |
| (423)668- | Landline | South Central Bell Tel |
| (423)670- | Landline | Ip Horizon |
| (423)671- | Landline | Ip Horizon |
| (423)672- | Landline | Telnyx |
| (423)673- | Landline | Us Lec Of Tennessee |
| (423)674- | Landline | Radiantiq |
| (423)675- | Landline | Radiantiq |
| (423)676- | Wireless | T-Mobile Usa |
| (423)677- | Wireless | T-Mobile Usa |
| (423)678- | Landline | Radiantiq |
| (423)679- | Landline | Radiantiq |
| (423)680- | Wireless | Verizon Wireless |
| (423)681- | Wireless | Verizon Wireless |
| (423)682- | Wireless | Verizon Wireless |
| (423)683- | Landline | Na Communications |
| (423)684- | Landline | Na Communications |
| (423)685- | Landline | Na Communications |
| (423)686- | Landline | Radiantiq |
| (423)687- | Wireless | New Cingular Wireless Pcs |
| (423)688- | Landline | Telnyx |
| (423)689- | Landline | Bandwidth.Com Clec |
| (423)690- | Landline | Telnyx |
| (423)691- | Landline | Onvoy |
| (423)692- | Landline | Skybest Communications |
| (423)693- | Landline | Centurylink Communications |
| (423)694- | Landline | Powertel Nashville Licenses |
| (423)695- | Landline | Na Communications |
| (423)696- | Landline | Powertel Nashville Licenses |
| (423)697- | Landline | South Central Bell Tel |
| (423)698- | Landline | South Central Bell Tel |
| (423)699- | Landline | Na Communications |
| (423)701- | Wireless | United States Cellular |
| (423)702- | Landline | Level 3 Communications |
| (423)703- | Landline | Onvoy |
| (423)704- | Wireless | New Cingular Wireless Pcs |
| (423)705- | Landline | Nuso |
| (423)707- | Wireless | New Cingular Wireless Pcs |
| (423)708- | Landline | Metropcs |
| (423)709- | Landline | Deltacom |
| (423)710- | Landline | Comcast Ip Phone |
| (423)712- | Landline | Bandwidth.Com Clec |
| (423)713- | Landline | Comcast Ip Phone |
| (423)714- | Landline | Us Lec Of Tennessee |
| (423)715- | Wireless | Verizon Wireless |
| (423)716- | Landline | Windstream Nuvox |
| (423)717- | Landline | Powertel Nashville Licenses |
| (423)718- | Wireless | Verizon Wireless |
| (423)719- | Landline | Nuso |
| (423)720- | Landline | Bandwidth.Com Clec |
| (423)721- | Wireless | United States Cellular |
| (423)722- | Landline | Level 3 Communications |
| (423)723- | Landline | Level 3 Communications |
| (423)724- | Landline | Us Lec Of Tennessee |
| (423)725- | Landline | Centurylink |
| (423)726- | Wireless | Verizon Wireless |
| (423)727- | Landline | Centurylink |
| (423)728- | Landline | South Central Bell Tel |
| (423)730- | Landline | Comcast Ip Phone |
| (423)732- | Wireless | Verizon Wireless |
| (423)733- | Landline | South Central Bell Tel |
| (423)734- | Landline | Onvoy |
| (423)735- | Landline | Centurylink |
| (423)736- | Wireless | Verizon Wireless |
| (423)737- | Wireless | New Cingular Wireless Pcs |
| (423)738- | Wireless | New Cingular Wireless Pcs |
| (423)739- | Landline | Skyline Tel. Membership |
| (423)740- | Wireless | Verizon Wireless |
| (423)741- | Wireless | New Cingular Wireless Pcs |
| (423)742- | Wireless | Verizon Wireless |
| (423)743- | Landline | Centurylink |
| (423)744- | Landline | South Central Bell Tel |
| (423)745- | Landline | South Central Bell Tel |
| (423)746- | Landline | South Central Bell Tel |
| (423)747- | Wireless | New Cingular Wireless Pcs |
| (423)748- | Wireless | New Cingular Wireless Pcs |
| (423)749- | Landline | Metropcs |
| (423)750- | Landline | Skyetel |
| (423)751- | Landline | South Central Bell Tel |
| (423)752- | Landline | South Central Bell Tel |
| (423)753- | Landline | Centurylink |
| (423)754- | Wireless | Verizon Wireless |
| (423)755- | Landline | South Central Bell Tel |
| (423)756- | Landline | South Central Bell Tel |
| (423)757- | Landline | South Central Bell Tel |
| (423)758- | Landline | Us Lec Of Tennessee |
| (423)759- | Landline | Onvoy |
| (423)760- | Wireless | New Cingular Wireless Pcs |
| (423)761- | Landline | Level 3 Communications |
| (423)762- | Wireless | Verizon Wireless |
| (423)763- | Landline | South Central Bell Tel |
| (423)764- | Landline | Centurylink |
| (423)765- | Landline | Charter Fiberlink-Tennessee |
| (423)766- | Landline | Onvoy |
| (423)767- | Wireless | New Cingular Wireless Pcs |
| (423)768- | Landline | Centurylink |
| (423)769- | Landline | Bandwidth.Com Clec |
| (423)770- | Landline | Onvoy |
| (423)771- | Landline | At&T |
| (423)772- | Landline | Centurylink |
| (423)773- | Wireless | T-Mobile Usa |
| (423)774- | Wireless | New Cingular Wireless Pcs |
| (423)775- | Landline | South Central Bell Tel |
| (423)776- | Wireless | New Cingular Wireless Pcs |
| (423)777- | Landline | Onvoy |
| (423)778- | Landline | South Central Bell Tel |
| (423)779- | Landline | Windstream Nuvox |
| (423)780- | Landline | South Central Bell Tel |
| (423)781- | Landline | At&T |
| (423)782- | Landline | Us Lec Of Tennessee |
| (423)783- | Landline | Centurylink |
| (423)784- | Landline | South Central Bell Tel |
| (423)785- | Landline | South Central Bell Tel |
| (423)787- | Landline | Centurylink |
| (423)788- | Landline | Centurylink |
| (423)789- | Landline | Centurylink |
| (423)790- | Landline | Charter Fiberlink-Tennessee |
| (423)791- | Wireless | T-Mobile Usa |
| (423)792- | Landline | Tellico Tel. Co. |
| (423)793- | Landline | Level 3 Communications |
| (423)794- | Landline | Us Lec Of Tennessee |
| (423)795- | Wireless | Usa Mobility Wireless |
| (423)796- | Wireless | Dish Wireless |
| (423)797- | Wireless | Verizon Wireless |
| (423)798- | Landline | Centurylink |
| (423)799- | Landline | Level 3 Communications |
| (423)800- | Wireless | New Cingular Wireless Pcs |
| (423)801- | Wireless | United States Cellular |
| (423)802- | Wireless | Verizon Wireless |
| (423)803- | Landline | Electric Power Board Of Chattanooga |
| (423)804- | Landline | Bandwidth.Com Clec |
| (423)805- | Landline | Onvoy |
| (423)806- | Landline | Bandwidth.Com Clec |
| (423)807- | Wireless | New Cingular Wireless Pcs |
| (423)808- | Landline | Comcast Ip Phone |
| (423)810- | Landline | Teleport Communications America |
| (423)812- | Landline | Bandwidth.Com Clec |
| (423)813- | Wireless | Verizon Wireless |
| (423)814- | Landline | Telnyx |
| (423)815- | Landline | Comcast Ip Phone |
| (423)816- | Wireless | New Cingular Wireless Pcs |
| (423)817- | Landline | Metropcs |
| (423)818- | Landline | Peerless Network Of Tennessee |
| (423)819- | Wireless | Verizon Wireless |
| (423)820- | Landline | Onvoy |
| (423)821- | Landline | South Central Bell Tel |
| (423)822- | Landline | South Central Bell Tel |
| (423)823- | Wireless | T-Mobile Usa |
| (423)825- | Landline | South Central Bell Tel |
| (423)826- | Landline | Deltacom |
| (423)827- | Landline | South Central Bell Tel |
| (423)829- | Wireless | New Cingular Wireless Pcs |
| (423)830- | Landline | Onvoy |
| (423)831- | Landline | Nuso |
| (423)832- | Landline | Ton80 Communications |
| (423)833- | Wireless | T-Mobile Usa |
| (423)834- | Landline | Centurylink Communications |
| (423)835- | Wireless | New Cingular Wireless Pcs |
| (423)836- | Wireless | Verizon Wireless |
| (423)837- | Landline | South Central Bell Tel |
| (423)838- | Wireless | New Cingular Wireless Pcs |
| (423)839- | Landline | Charter Fiberlink-Tennessee |
| (423)840- | Landline | Onvoy |
| (423)841- | Wireless | T-Mobile Usa |
| (423)842- | Landline | South Central Bell Tel |
| (423)843- | Landline | South Central Bell Tel |
| (423)844- | Landline | Centurylink |
| (423)845- | Wireless | Verizon Wireless |
| (423)846- | Landline | South Central Bell Tel |
| (423)847- | Landline | South Central Bell Tel |
| (423)848- | Landline | Skyetel |
| (423)850- | Landline | Onvoy |
| (423)851- | Landline | Centurylink |
| (423)853- | Landline | Twilio International |
| (423)854- | Landline | Centurylink |
| (423)855- | Landline | South Central Bell Tel |
| (423)856- | Landline | Powertel Nashville Licenses |
| (423)857- | Landline | Centurylink |
| (423)860- | Landline | Commio |
| (423)863- | Wireless | Verizon Wireless |
| (423)867- | Landline | South Central Bell Tel |
| (423)869- | Landline | South Central Bell Tel |
| (423)870- | Landline | South Central Bell Tel |
| (423)871- | Wireless | New Cingular Wireless Pcs |
| (423)873- | Landline | Fractel |
| (423)874- | Landline | South Central Bell Tel |
| (423)875- | Landline | South Central Bell Tel |
| (423)876- | Landline | South Central Bell Tel |
| (423)877- | Landline | South Central Bell Tel |
| (423)878- | Landline | Centurylink |
| (423)880- | Landline | Radiantiq |
| (423)881- | Landline | Bledsoe Tel. Coop. |
| (423)882- | Landline | South Central Bell Tel |
| (423)883- | Landline | South Central Bell Tel |
| (423)884- | Landline | Tellico Tel. Co. |
| (423)885- | Landline | Tellico Tel. Co. |
| (423)886- | Landline | South Central Bell Tel |
| (423)887- | Landline | Tellico Tel. Co. |
| (423)888- | Landline | Onvoy |
| (423)892- | Landline | South Central Bell Tel |
| (423)893- | Landline | South Central Bell Tel |
| (423)894- | Landline | South Central Bell Tel |
| (423)895- | Wireless | T-Mobile Usa |
| (423)896- | Landline | Centurylink |
| (423)897- | Landline | Centurylink |
| (423)899- | Landline | South Central Bell Tel |
| (423)900- | Landline | Ymax Communications |
| (423)902- | Wireless | New Cingular Wireless Pcs |
| (423)903- | Wireless | New Cingular Wireless Pcs |
| (423)904- | Landline | Onvoy Spectrum |
| (423)905- | Landline | Onvoy Spectrum |
| (423)907- | Landline | South Central Bell Tel |
| (423)910- | Landline | Comcast Ip Phone |
| (423)912- | Wireless | New Cingular Wireless Pcs |
| (423)913- | Landline | Centurylink |
| (423)914- | Wireless | Verizon Wireless |
| (423)915- | Landline | Centurylink |
| (423)917- | Landline | Centurylink |
| (423)919- | Landline | Onvoy |
| (423)920- | Wireless | New Cingular Wireless Pcs |
| (423)921- | Landline | South Central Bell Tel |
| (423)922- | Landline | Fractel |
| (423)923- | Wireless | New Cingular Wireless Pcs |
| (423)925- | Landline | Ton80 Communications |
| (423)926- | Landline | Centurylink |
| (423)927- | Landline | Ton80 Communications |
| (423)928- | Landline | Centurylink |
| (423)929- | Landline | Centurylink |
| (423)930- | Landline | Mountainet Telephone |
| (423)932- | Landline | Ton80 Communications |
| (423)933- | Landline | Deltacom |
| (423)934- | Landline | Ton80 Communications |
| (423)938- | Landline | Centurylink |
| (423)939- | Landline | Deltacom |
| (423)940- | Landline | Commio |
| (423)942- | Landline | South Central Bell Tel |
| (423)943- | Wireless | T-Mobile Usa |
| (423)944- | Landline | Scott County Tel. Coop. |
| (423)946- | Wireless | T-Mobile Usa |
| (423)948- | Wireless | T-Mobile Usa |
| (423)949- | Landline | Bledsoe Tel. Coop. |
| (423)952- | Landline | Centurylink |
| (423)953- | Landline | Centurylink |
| (423)954- | Landline | South Central Bell Tel |
| (423)955- | Landline | Fractel |
| (423)956- | Wireless | Verizon Wireless |
| (423)957- | Wireless | T-Mobile Usa |
| (423)961- | Landline | South Central Bell Tel |
| (423)963- | Landline | Metropcs |
| (423)965- | Landline | Highland Tel. Coop |
| (423)966- | Landline | Fractel |
| (423)967- | Landline | Metropcs |
| (423)968- | Landline | Centurylink |
| (423)972- | Wireless | T-Mobile Usa |
| (423)973- | Landline | Level 3 Communications |
| (423)975- | Landline | Centurylink |
| (423)977- | Landline | Fractel |
| (423)979- | Landline | Centurylink |
| (423)980- | Landline | Radiantiq |
| (423)987- | Wireless | New Cingular Wireless Pcs |
| (423)989- | Landline | Centurylink |
| (423)990- | Landline | Centurylink |
| (423)991- | Wireless | New Cingular Wireless Pcs |
| (423)994- | Wireless | New Cingular Wireless Pcs |
| (423)998- | Landline | Commio |
| (423)999- | Landline | Powertel Nashville Licenses |
| No prefixes match “”. | ||
Frequently Asked Questions about the 423 Area Code
Who called me from a 423 number?
30% of its assigned prefixes are wireless. Largest holders: South Central Bell Tel, Centurylink, and Verizon Wireless.
Is 423 a scam area code?
Carriers hold 72% of its possible prefixes.
Why do I keep getting calls from the 423 area code?
Complaints rose 70% on the prior period.
Should I answer an unknown 423 number?
59% of its FTC complaints were robocalls. Its most-reported specific subject was "Medical & prescriptions", at 21%.
How do I block calls from the 423 area code?
Blocking 423 still lets 729 numbers through.
Where is area code 423?
423 covers 109 cities and 1,421,060 residents in 24 Tennessee counties, led by Hamilton, Sullivan, and Washington.
When did area code 423 go into service?
423 went into service on September 11, 1995. It was split from 615. 729 now shares its territory.
Is 423 a real area code?
Yes: 57 carriers hold its prefixes, serving 109 cities in Hamilton, Sullivan, Washington, and 21 other counties.
What timezone is the 423 area code in?
423 spans Eastern and Central time.
How do I call a 423 number from abroad?
Dial +1 423, then the number.