636 Area CodeO'Fallon, MO
Area code 636 covers O'Fallon and 77 other cities in Missouri: 1,018,333 people in 8 counties, led by St. Charles and Jefferson, on Central Time (CT).
Overview
- Major City
- O'Fallon
- State
- Missouri (MO)
- Timezone
- Central Time (CT)
- Current Time
- –:––
- Overlay
- No – unique area code
Where is area code 636?
Overview of the 636 Area Code
Geographic Coverage of the 636 Area Code
All 78 cities- 95,355
- 72,458
- 61,398
- Chesterfieldalso 314 · 55749,465
- 48,646
- 35,082
What cities does area code 636 cover?
| City | State | Population | Population in 636 | % of listed-city population | % of City |
|---|---|---|---|---|---|
| O'Fallon | MO | 95,355 | 95,355 | 13.5% | 100.0% |
| St. Charles | MO | 72,458 | 72,458 | 10.3% | 100.0% |
| St. Peters | MO | 61,398 | 61,398 | 8.7% | 100.0% |
| Chesterfield | MO | 49,465 | 39,359 | 7.0% | 79.6% |
| Wentzville | MO | 48,646 | 48,646 | 6.9% | 100.0% |
| Wildwood | MO | 35,082 | 35,082 | 5.0% | 100.0% |
| Ballwin | MO | 31,036 | 31,036 | 4.4% | 100.0% |
| Arnold | MO | 21,036 | 21,036 | 3.0% | 100.0% |
| Lake St. Louis | MO | 19,160 | 19,160 | 2.7% | 100.0% |
| Manchester | MO | 18,122 | 18,122 | 2.6% | 100.0% |
| Washington | MO | 15,521 | 15,521 | 2.2% | 100.0% |
| Troy | MO | 14,963 | 14,963 | 2.1% | 100.0% |
| Dardenne Prairie | MO | 14,407 | 14,407 | 2.0% | 100.0% |
| Festus | MO | 13,730 | 13,730 | 1.9% | 100.0% |
| Eureka | MO | 13,277 | 13,277 | 1.9% | 100.0% |
| Union | MO | 13,198 | 13,198 | 1.9% | 100.0% |
| Town and Country | MO | 11,625 | 0 | 1.7% | 0.0% |
| Ellisville | MO | 10,359 | 10,359 | 1.5% | 100.0% |
| Warrenton | MO | 9,420 | 9,420 | 1.3% | 100.0% |
| Sunset Hills | MO | 9,099 | 0 | 1.3% | 0.0% |
| Murphy | MO | 8,690 | 8,690 | 1.2% | 100.0% |
| Pacific | MO | 7,842 | 7,842 | 1.1% | 100.0% |
| Valley Park | MO | 6,747 | 6,747 | 1.0% | 100.0% |
| De Soto | MO | 6,503 | 6,503 | 0.9% | 100.0% |
| Cottleville | MO | 6,378 | 6,378 | 0.9% | 100.0% |
| Pevely | MO | 6,103 | 6,103 | 0.9% | 100.0% |
| Wright City | MO | 5,723 | 5,723 | 0.8% | 100.0% |
| Barnhart | MO | 5,682 | 5,682 | 0.8% | 100.0% |
| Herculaneum | MO | 5,321 | 5,321 | 0.8% | 100.0% |
| Weldon Spring | MO | 5,304 | 5,304 | 0.8% | 100.0% |
| St. Clair | MO | 4,748 | 4,748 | 0.7% | 100.0% |
| Imperial | MO | 4,709 | 4,709 | 0.7% | 100.0% |
| Crystal City | MO | 4,703 | 4,703 | 0.7% | 100.0% |
| High Ridge | MO | 4,305 | 4,305 | 0.6% | 100.0% |
| Moscow Mills | MO | 4,144 | 4,144 | 0.6% | 100.0% |
| Fenton | MO | 4,073 | 4,073 | 0.6% | 100.0% |
| St. Paul | MO | 3,725 | 3,725 | 0.5% | 100.0% |
| Hillsboro | MO | 3,489 | 3,489 | 0.5% | 100.0% |
| Byrnes Mill | MO | 3,189 | 3,189 | 0.5% | 100.0% |
| Gray Summit | MO | 2,701 | 2,701 | 0.4% | 100.0% |
| Villa Ridge | MO | 2,636 | 2,636 | 0.4% | 100.0% |
| Clarkson Valley | MO | 2,557 | 2,557 | 0.4% | 100.0% |
| Cedar Hill | MO | 1,721 | 1,721 | 0.2% | 100.0% |
| Winfield | MO | 1,637 | 1,637 | 0.2% | 100.0% |
| LaBarque Creek | MO | 1,558 | 1,558 | 0.2% | 100.0% |
| Winchester | MO | 1,407 | 1,407 | 0.2% | 100.0% |
| Marthasville | MO | 1,302 | 1,302 | 0.2% | 100.0% |
| Truesdale | MO | 929 | 929 | 0.1% | 100.0% |
| Horine | MO | 821 | 821 | 0.1% | 100.0% |
| Jonesburg | MO | 814 | 814 | 0.1% | 100.0% |
| Hawk Point | MO | 761 | 761 | 0.1% | 100.0% |
| Foristell | MO | 751 | 751 | 0.1% | 100.0% |
| Olympian Village | MO | 712 | 712 | 0.1% | 100.0% |
| Innsbrook | MO | 659 | 659 | 0.1% | 100.0% |
| Parkway | MO | 642 | 642 | 0.1% | 100.0% |
| Twin Oaks | MO | 588 | 588 | 0.1% | 100.0% |
| Flint Hill | MO | 561 | 561 | 0.1% | 100.0% |
| New Melle | MO | 547 | 547 | 0.1% | 100.0% |
| Josephville | MO | 517 | 517 | 0.1% | 100.0% |
| West Alton | MO | 353 | 353 | 0.1% | 100.0% |
| Portage Des Sioux | MO | 323 | 323 | 0.0% | 100.0% |
| Old Monroe | MO | 279 | 279 | 0.0% | 100.0% |
| Augusta | MO | 268 | 268 | 0.0% | 100.0% |
| Lake Tekakwitha | MO | 236 | 236 | 0.0% | 100.0% |
| Cedar Hill Lakes | MO | 201 | 201 | 0.0% | 100.0% |
| Scotsdale | MO | 196 | 196 | 0.0% | 100.0% |
| Fountain N' Lakes | MO | 188 | 188 | 0.0% | 100.0% |
| High Hill | MO | 185 | 185 | 0.0% | 100.0% |
| Defiance | MO | 155 | 155 | 0.0% | 100.0% |
| Parkdale | MO | 155 | 155 | 0.0% | 100.0% |
| Kimmswick | MO | 131 | 131 | 0.0% | 100.0% |
| Chain of Rocks | MO | 102 | 102 | 0.0% | 100.0% |
| Foley | MO | 97 | 97 | 0.0% | 100.0% |
| Peaceful Village | MO | 96 | 96 | 0.0% | 100.0% |
| Weldon Spring Heights | MO | 92 | 92 | 0.0% | 100.0% |
| Pendleton | MO | 36 | 36 | 0.0% | 100.0% |
| Three Creeks | MO | 8 | 8 | 0.0% | 100.0% |
| Cave | MO | 5 | 5 | 0.0% | 100.0% |
City population is shown in full; each city's share inside 636 is measured from Census tract centroids.
What counties does area code 636 cover?
| County | State | Population in 636 | % of area-code footprint | % of County |
|---|---|---|---|---|
| St. Charles County | MO | 405,262 | 40% | 100% |
| Jefferson County | MO | 226,739 | 22% | 100% |
| St. Louis County | MO | 211,485 | 21% | 21% |
| Franklin County | MO | 81,128 | 8% | 77% |
| Lincoln County | MO | 49,365 | 5% | 83% |
| Warren County | MO | 35,532 | 3% | 100% |
| Washington County | MO | 6,418 | 1% | 27% |
| Montgomery County | MO | 2,404 | 0% | 21% |
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 636 been reported for unwanted calls?
Yes – 1,563 FTC complaints, May 29 – Oct 1, 2026.
- 51% robocalls
- ↓ 17% vs prior period
- FTC data, retrieved 2026-10-05
Most-reported subjects
- Other45%711
- Medical & prescriptions15%236
- Calls pretending to be government, businesses, or family and friends11%166
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 636?
41% assigned to a telco
- 82% Landline
- 18% Wireless
- 0% Unknown
of 409 | ||
| Prefix | Usage | Carrier |
|---|---|---|
| (636)200- | Landline | Onvoy |
| (636)201- | Wireless | New Cingular Wireless Pcs |
| (636)202- | Landline | Mcimetro Access Transmission Services |
| (636)203- | Landline | Mcimetro Access Transmission Services |
| (636)204- | Landline | Onvoy |
| (636)205- | Landline | Level 3 Communications |
| (636)206- | Landline | At&T |
| (636)207- | Landline | Southwestern Bell |
| (636)208- | Wireless | New Cingular Wireless Pcs |
| (636)209- | Wireless | Verizon Wireless |
| (636)210- | Wireless | New Cingular Wireless Pcs |
| (636)212- | Wireless | Verizon Wireless |
| (636)213- | Wireless | T-Mobile Usa |
| (636)214- | Wireless | T-Mobile Usa |
| (636)215- | Wireless | Verizon Wireless |
| (636)216- | Landline | Onvoy |
| (636)218- | Wireless | New Cingular Wireless Pcs |
| (636)219- | Wireless | T-Mobile Usa |
| (636)220- | Landline | Charter Fiberlink - Missouri |
| (636)221- | Landline | Southwestern Bell |
| (636)222- | Wireless | Verizon Wireless |
| (636)223- | Landline | At&T |
| (636)224- | Landline | Windstream Nuvox Missouri |
| (636)225- | Landline | Southwestern Bell |
| (636)226- | Landline | Southwestern Bell |
| (636)227- | Landline | Southwestern Bell |
| (636)228- | Landline | Centurylink |
| (636)229- | Landline | Mcimetro Access Transmission Services |
| (636)230- | Landline | Southwestern Bell |
| (636)231- | Landline | Windstream Nuvox Missouri |
| (636)232- | Landline | Level 3 Communications |
| (636)233- | Wireless | Verizon Wireless |
| (636)234- | Landline | Level 3 Communications |
| (636)235- | Landline | Level 3 Communications |
| (636)236- | Wireless | Sprint Spectrum |
| (636)237- | Landline | Mcimetro Access Transmission Services |
| (636)238- | Landline | Mcimetro Access Transmission Services |
| (636)239- | Landline | Southwestern Bell |
| (636)240- | Landline | Centurylink |
| (636)241- | Wireless | Verizon Wireless |
| (636)242- | Landline | Centurylink |
| (636)243- | Landline | Level 3 Communications |
| (636)244- | Landline | Charter Fiberlink - Missouri |
| (636)245- | Wireless | New Cingular Wireless Pcs |
| (636)246- | Landline | Onvoy |
| (636)247- | Landline | Southwestern Bell |
| (636)248- | Wireless | Verizon Wireless |
| (636)249- | Landline | Metropcs |
| (636)250- | Landline | Orchard Farm Tel. Co. |
| (636)251- | Wireless | Verizon Wireless |
| (636)252- | Wireless | T-Mobile Usa |
| (636)253- | Wireless | T-Mobile Usa |
| (636)255- | Landline | Southwestern Bell |
| (636)256- | Landline | Southwestern Bell |
| (636)257- | Landline | Southwestern Bell |
| (636)258- | Landline | Orchard Farm Tel. Co. |
| (636)259- | Wireless | T-Mobile Usa |
| (636)261- | Landline | Southwestern Bell |
| (636)262- | Wireless | Sprint Spectrum |
| (636)263- | Landline | At&T |
| (636)264- | Landline | Level 3 Communications |
| (636)265- | Landline | Charter Fiberlink - Missouri |
| (636)266- | Landline | Level 3 Communications |
| (636)270- | Landline | Radiantiq |
| (636)271- | Landline | Southwestern Bell |
| (636)272- | Landline | Centurylink |
| (636)273- | Landline | Southwestern Bell |
| (636)274- | Landline | Southwestern Bell |
| (636)275- | Wireless | Verizon Wireless |
| (636)277- | Landline | Peerless Network Of Missouri |
| (636)278- | Landline | Centurylink |
| (636)279- | Landline | Centurylink |
| (636)280- | Landline | Radiantiq |
| (636)281- | Landline | Centurylink |
| (636)282- | Landline | Southwestern Bell |
| (636)283- | Landline | Teleport Communications America |
| (636)284- | Wireless | New Cingular Wireless Pcs |
| (636)285- | Landline | Southwestern Bell |
| (636)287- | Landline | Southwestern Bell |
| (636)288- | Wireless | New Cingular Wireless Pcs |
| (636)289- | Landline | Bandwidth.Com Clec |
| (636)290- | Wireless | T-Mobile Usa |
| (636)292- | Landline | Teleport Communications America |
| (636)293- | Wireless | T-Mobile Usa |
| (636)294- | Landline | Charter Fiberlink - Missouri |
| (636)295- | Wireless | Verizon Wireless |
| (636)296- | Landline | Southwestern Bell |
| (636)297- | Wireless | Verizon Wireless |
| (636)299- | Landline | At&T |
| (636)300- | Landline | Southwestern Bell |
| (636)303- | Landline | Telnyx |
| (636)305- | Landline | Southwestern Bell |
| (636)306- | Landline | Metropcs |
| (636)310- | Landline | Charter Fiberlink - Missouri |
| (636)312- | Wireless | New Cingular Wireless Pcs |
| (636)317- | Landline | Charter Fiberlink - Missouri |
| (636)318- | Wireless | T-Mobile Usa |
| (636)319- | Landline | Centurylink |
| (636)320- | Wireless | Usa Mobility Wireless |
| (636)321- | Landline | Windstream Nuvox Missouri |
| (636)322- | Landline | Southwestern Bell |
| (636)323- | Landline | Level 3 Communications |
| (636)324- | Landline | Onvoy |
| (636)326- | Landline | Southwestern Bell |
| (636)327- | Landline | Centurylink |
| (636)328- | Landline | Mcimetro Access Transmission Services |
| (636)329- | Landline | Southwestern Bell |
| (636)330- | Landline | Peerless Network Of Missouri |
| (636)331- | Wireless | T-Mobile Usa |
| (636)332- | Landline | Centurylink |
| (636)333- | Landline | Onvoy |
| (636)334- | Landline | Level 3 Communications |
| (636)335- | Landline | Mcimetro Access Transmission Services |
| (636)336- | Landline | Mcleodusa Telecommunication Services |
| (636)337- | Landline | Southwestern Bell |
| (636)338- | Landline | Centurylink |
| (636)339- | Wireless | T-Mobile Usa |
| (636)341- | Wireless | T-Mobile Usa |
| (636)342- | Wireless | Dish Wireless |
| (636)343- | Landline | Southwestern Bell |
| (636)344- | Landline | Southwestern Bell |
| (636)345- | Landline | Mcimetro Access Transmission Services |
| (636)346- | Wireless | Sprint Spectrum |
| (636)347- | Landline | Hd Carrier |
| (636)348- | Landline | Fractel |
| (636)349- | Landline | Southwestern Bell |
| (636)351- | Wireless | Dish Wireless |
| (636)352- | Landline | Level 3 Communications |
| (636)354- | Wireless | New Cingular Wireless Pcs |
| (636)355- | Landline | Centurylink |
| (636)356- | Landline | Centurylink |
| (636)357- | Wireless | New Cingular Wireless Pcs |
| (636)358- | Wireless | New Cingular Wireless Pcs |
| (636)359- | Wireless | New Cingular Wireless Pcs |
| (636)362- | Landline | Southwestern Bell |
| (636)363- | Landline | American Messaging Services |
| (636)364- | Landline | Level 3 Communications |
| (636)366- | Landline | Centurylink |
| (636)367- | Landline | Metropcs |
| (636)368- | Wireless | Sprint Spectrum |
| (636)369- | Landline | Radiantiq |
| (636)373- | Wireless | Sprint Spectrum |
| (636)375- | Landline | Southwestern Bell |
| (636)376- | Landline | Southwestern Bell |
| (636)377- | Landline | Centurylink |
| (636)379- | Landline | Centurylink |
| (636)383- | Landline | Metropcs |
| (636)384- | Wireless | New Cingular Wireless Pcs |
| (636)385- | Landline | Centurylink |
| (636)386- | Landline | Southwestern Bell |
| (636)387- | Landline | Charter Fiberlink - Missouri |
| (636)388- | Landline | Level 3 Communications |
| (636)389- | Landline | Level 3 Communications |
| (636)390- | Landline | Southwestern Bell |
| (636)391- | Landline | Southwestern Bell |
| (636)392- | Landline | Aurora Communications |
| (636)393- | Landline | Charter Fiberlink - Missouri |
| (636)394- | Landline | Southwestern Bell |
| (636)395- | Landline | At&T |
| (636)397- | Landline | Centurylink |
| (636)398- | Landline | Centurylink |
| (636)399- | Wireless | Verizon Wireless |
| (636)400- | Landline | Fusion Cloud Services |
| (636)402- | Landline | Windstream Nuvox Missouri |
| (636)403- | Wireless | Usa Mobility Wireless |
| (636)405- | Landline | Southwestern Bell |
| (636)409- | Landline | Charter Fiberlink - Missouri |
| (636)410- | Landline | Xo Missouri |
| (636)412- | Landline | Xo Missouri |
| (636)422- | Landline | Southwestern Bell |
| (636)425- | Landline | Windstream Nuvox Missouri |
| (636)426- | Wireless | T-Mobile Usa |
| (636)428- | Landline | Teleport Communications America |
| (636)429- | Landline | Peerless Network Of Missouri |
| (636)431- | Landline | Mcimetro Access Transmission Services |
| (636)432- | Landline | Southwestern Bell |
| (636)433- | Landline | Centurylink |
| (636)434- | Landline | Southwestern Bell |
| (636)435- | Landline | Mcimetro Access Transmission Services |
| (636)438- | Landline | Xo Missouri |
| (636)439- | Wireless | New Cingular Wireless Pcs |
| (636)441- | Landline | Southwestern Bell |
| (636)442- | Landline | Southwestern Bell |
| (636)443- | Landline | Southwestern Bell |
| (636)444- | Landline | Onvoy |
| (636)445- | Landline | Centurylink Communications |
| (636)447- | Landline | Southwestern Bell |
| (636)448- | Wireless | New Cingular Wireless Pcs |
| (636)449- | Landline | Windstream Nuvox Missouri |
| (636)451- | Landline | Southwestern Bell |
| (636)452- | Landline | Southwestern Bell |
| (636)456- | Landline | Centurylink |
| (636)458- | Landline | Southwestern Bell |
| (636)459- | Wireless | Verizon Wireless |
| (636)461- | Landline | Southwestern Bell |
| (636)462- | Landline | Centurylink |
| (636)463- | Landline | Centurylink |
| (636)464- | Landline | Southwestern Bell |
| (636)465- | Landline | Charter Fiberlink - Missouri |
| (636)466- | Wireless | New Cingular Wireless Pcs |
| (636)467- | Landline | Southwestern Bell |
| (636)474- | Landline | Centurylink |
| (636)475- | Landline | Southwestern Bell |
| (636)477- | Landline | Southwestern Bell |
| (636)479- | Landline | Southwestern Bell |
| (636)481- | Landline | Level 3 Communications |
| (636)482- | Landline | Centurylink |
| (636)484- | Wireless | Verizon Wireless |
| (636)485- | Wireless | Verizon Wireless |
| (636)486- | Landline | Level 3 Communications |
| (636)487- | Landline | Level 3 Communications |
| (636)488- | Landline | Centurylink |
| (636)489- | Landline | Level 3 Communications |
| (636)492- | Landline | Mcimetro Access Transmission Services |
| (636)493- | Landline | Charter Fiberlink - Missouri |
| (636)495- | Landline | Windstream Nuvox Missouri |
| (636)496- | Landline | Southwestern Bell |
| (636)497- | Wireless | T-Mobile Usa |
| (636)498- | Landline | Southwestern Bell |
| (636)500- | Landline | Onvoy |
| (636)515- | Wireless | New Cingular Wireless Pcs |
| (636)517- | Landline | Southwestern Bell |
| (636)519- | Landline | Southwestern Bell |
| (636)524- | Landline | Level 3 Communications |
| (636)525- | Landline | Southwestern Bell |
| (636)527- | Landline | Southwestern Bell |
| (636)528- | Landline | Centurylink |
| (636)529- | Landline | Southwestern Bell |
| (636)530- | Landline | Southwestern Bell |
| (636)532- | Landline | Southwestern Bell |
| (636)533- | Landline | Xo Missouri |
| (636)534- | Landline | Mcimetro Access Transmission Services |
| (636)535- | Wireless | Verizon Wireless |
| (636)536- | Landline | Southwestern Bell |
| (636)537- | Landline | Southwestern Bell |
| (636)538- | Wireless | T-Mobile Usa |
| (636)541- | Wireless | New Cingular Wireless Pcs |
| (636)542- | Landline | Windstream Nuvox Missouri |
| (636)543- | Landline | Teleport Communications America |
| (636)544- | Wireless | New Cingular Wireless Pcs |
| (636)547- | Landline | Global Crossing Local Services |
| (636)548- | Landline | Global Crossing Local Services |
| (636)549- | Landline | Windstream Nuvox Missouri |
| (636)551- | Wireless | Verizon Wireless |
| (636)552- | Landline | Level 3 Communications |
| (636)556- | Landline | Global Crossing Local Services |
| (636)557- | Landline | Xo Missouri |
| (636)561- | Landline | Centurylink |
| (636)565- | Landline | Level 3 Communications |
| (636)566- | Landline | Centurylink |
| (636)573- | Landline | Xo Missouri |
| (636)574- | Landline | American Messaging Services |
| (636)575- | Wireless | New Cingular Wireless Pcs |
| (636)577- | Wireless | New Cingular Wireless Pcs |
| (636)578- | Wireless | Sprint Spectrum |
| (636)579- | Wireless | T-Mobile Usa |
| (636)582- | Landline | Aurora Communications |
| (636)583- | Landline | Southwestern Bell |
| (636)584- | Landline | Southwestern Bell |
| (636)585- | Landline | Centurylink |
| (636)586- | Landline | Southwestern Bell |
| (636)587- | Landline | Southwestern Bell |
| (636)589- | Landline | Onvoy |
| (636)590- | Landline | Global Crossing Local Services |
| (636)591- | Landline | Mcleodusa Telecommunication Services |
| (636)594- | Landline | Xo Missouri |
| (636)597- | Landline | Centurylink |
| (636)600- | Landline | Fusion Cloud Services |
| (636)614- | Landline | Level 3 Communications |
| (636)622- | Landline | Mcimetro Access Transmission Services |
| (636)625- | Landline | Centurylink |
| (636)626- | Landline | Onvoy |
| (636)627- | Landline | At&T |
| (636)628- | Landline | Global Crossing Local Services |
| (636)629- | Landline | Southwestern Bell |
| (636)630- | Landline | Commio |
| (636)633- | Wireless | T-Mobile Usa |
| (636)634- | Landline | Global Crossing Local Services |
| (636)635- | Landline | Onvoy Spectrum |
| (636)637- | Landline | Mcimetro Access Transmission Services |
| (636)638- | Landline | Charter Fiberlink - Missouri |
| (636)639- | Landline | Centurylink |
| (636)642- | Landline | Level 3 Communications |
| (636)648- | Landline | Global Crossing Local Services |
| (636)649- | Wireless | New Cingular Wireless Pcs |
| (636)651- | Landline | Teleport Communications America |
| (636)655- | Landline | Skyetel |
| (636)660- | Landline | Mcleodusa Telecommunication Services |
| (636)661- | Landline | Centurylink |
| (636)662- | Landline | Centurylink |
| (636)665- | Landline | Centurylink |
| (636)666- | Landline | Terra Nova Telecom |
| (636)667- | Wireless | Sprint Spectrum |
| (636)668- | Landline | Centurylink |
| (636)669- | Landline | Mcleodusa Telecommunication Services |
| (636)671- | Landline | Southwestern Bell |
| (636)673- | Landline | Centurylink |
| (636)674- | Landline | Windstream Nuvox Missouri |
| (636)675- | Wireless | T-Mobile Usa |
| (636)677- | Landline | Southwestern Bell |
| (636)678- | Landline | Global Crossing Local Services |
| (636)679- | Wireless | T-Mobile Usa |
| (636)680- | Landline | Windstream Nuvox Missouri |
| (636)681- | Landline | Teleport Communications America |
| (636)685- | Landline | Teleport Communications America |
| (636)686- | Landline | Teleport Communications America |
| (636)688- | Landline | Teleport Communications America |
| (636)689- | Landline | Teleport Communications America |
| (636)692- | Landline | Windstream Nuvox Missouri |
| (636)695- | Landline | Teleport Communications America |
| (636)696- | Landline | Teleport Communications America |
| (636)697- | Landline | Teleport Communications America |
| (636)698- | Landline | Teleport Communications America |
| (636)699- | Landline | Onvoy |
| (636)706- | Landline | Centurylink Communications |
| (636)707- | Landline | Level 3 Communications |
| (636)717- | Landline | Southwestern Bell |
| (636)720- | Landline | Windstream Nuvox Missouri |
| (636)722- | Landline | Southwestern Bell |
| (636)723- | Landline | Southwestern Bell |
| (636)724- | Landline | Southwestern Bell |
| (636)725- | Landline | Windstream Nuvox Missouri |
| (636)728- | Landline | Southwestern Bell |
| (636)730- | Landline | Southwestern Bell |
| (636)732- | Landline | Fractel |
| (636)733- | Landline | Southwestern Bell |
| (636)734- | Wireless | Sprint Spectrum |
| (636)735- | Landline | Southwestern Bell |
| (636)736- | Landline | Southwestern Bell |
| (636)737- | Landline | Southwestern Bell |
| (636)741- | Landline | Windstream Nuvox Missouri |
| (636)742- | Landline | Southwestern Bell |
| (636)744- | Landline | Southwestern Bell |
| (636)745- | Landline | Centurylink |
| (636)746- | Landline | Ton80 Communications |
| (636)747- | Landline | Onvoy |
| (636)748- | Landline | Bandwidth.Com Clec |
| (636)751- | Wireless | Verizon Wireless |
| (636)753- | Landline | Southwestern Bell |
| (636)754- | Landline | Xo Missouri |
| (636)755- | Landline | Centurylink |
| (636)757- | Landline | Windstream Nuvox Missouri |
| (636)758- | Landline | Fractel |
| (636)764- | Landline | Level 3 Communications |
| (636)773- | Landline | Onvoy |
| (636)775- | Landline | Charter Fiberlink - Missouri |
| (636)777- | Landline | Onvoy |
| (636)778- | Landline | Charter Fiberlink - Missouri |
| (636)779- | Landline | Windstream Nuvox Missouri |
| (636)782- | Landline | Centurylink |
| (636)787- | Landline | Xo Missouri |
| (636)789- | Landline | Southwestern Bell |
| (636)791- | Landline | Centurylink |
| (636)793- | Landline | Mcimetro Access Transmission Services |
| (636)794- | Landline | Xo Missouri |
| (636)795- | Wireless | New Cingular Wireless Pcs |
| (636)797- | Landline | Southwestern Bell |
| (636)798- | Landline | Centurylink |
| (636)800- | Landline | Onvoy |
| (636)812- | Landline | Mcleodusa Telecommunication Services |
| (636)821- | Landline | Windstream Nuvox Missouri |
| (636)825- | Landline | Southwestern Bell |
| (636)827- | Landline | Southwestern Bell |
| (636)828- | Landline | Centurylink |
| (636)829- | Wireless | T-Mobile Usa |
| (636)837- | Landline | Ton80 Communications |
| (636)841- | Wireless | T-Mobile Usa |
| (636)849- | Wireless | T-Mobile Usa |
| (636)851- | Landline | Southwestern Bell |
| (636)856- | Landline | Charter Fiberlink - Missouri |
| (636)861- | Landline | Southwestern Bell |
| (636)865- | Landline | Teleport Communications America |
| (636)866- | Landline | Mcimetro Access Transmission Services |
| (636)867- | Landline | Ton80 Communications |
| (636)874- | Landline | Ton80 Communications |
| (636)875- | Landline | Windstream Nuvox Missouri |
| (636)887- | Landline | Charter Fiberlink - Missouri |
| (636)888- | Landline | Peerless Network Of Missouri |
| (636)891- | Landline | Southwestern Bell |
| (636)893- | Landline | Mcimetro Access Transmission Services |
| (636)896- | Landline | Southwestern Bell |
| (636)898- | Landline | Xo Missouri |
| (636)899- | Landline | Southwestern Bell |
| (636)900- | Landline | Onvoy |
| (636)916- | Landline | Southwestern Bell |
| (636)922- | Landline | Southwestern Bell |
| (636)923- | Landline | Windstream Nuvox Missouri |
| (636)925- | Landline | Southwestern Bell |
| (636)926- | Landline | Southwestern Bell |
| (636)928- | Landline | Southwestern Bell |
| (636)931- | Landline | Southwestern Bell |
| (636)932- | Landline | Centurylink |
| (636)933- | Landline | Southwestern Bell |
| (636)936- | Landline | Southwestern Bell |
| (636)937- | Landline | Southwestern Bell |
| (636)938- | Landline | Southwestern Bell |
| (636)939- | Landline | Southwestern Bell |
| (636)940- | Landline | Southwestern Bell |
| (636)942- | Landline | Southwestern Bell |
| (636)944- | Landline | Southwestern Bell |
| (636)946- | Landline | Southwestern Bell |
| (636)947- | Landline | Southwestern Bell |
| (636)948- | Landline | Southwestern Bell |
| (636)949- | Landline | Southwestern Bell |
| (636)970- | Landline | Centurylink |
| (636)978- | Landline | Centurylink |
| (636)980- | Landline | Centurylink |
| (636)987- | Landline | Centurylink |
| (636)999- | Landline | Onvoy |
| No prefixes match “”. | ||
Frequently Asked Questions about the 636 Area Code
Who called me from a 636 number?
18% of its assigned prefixes are wireless. Largest holders: Southwestern Bell, Centurylink, and Level 3 Communications.
Is 636 a scam area code?
Carriers hold 41% of its possible prefixes.
Why do I keep getting calls from the 636 area code?
Complaints fell 17% on the prior period.
Should I answer an unknown 636 number?
51% of its FTC complaints were robocalls. Its most-reported specific subject was "Medical & prescriptions", at 15%.
How do I block calls from the 636 area code?
Blocking 636 blocks numbers in 78 cities.
Where is area code 636?
636 covers 78 cities and 1,018,333 residents in 8 Missouri counties, led by St. Charles, Jefferson, and St. Louis.
When did area code 636 go into service?
636 went into service on May 22, 1999. It was split from 314.
Is 636 a real area code?
Yes: 35 carriers hold its prefixes, serving 78 cities in St. Charles, Jefferson, St. Louis, and 5 other counties.
What timezone is the 636 area code in?
636 is on Central Time (CT).
How do I call a 636 number from abroad?
Dial +1 636, then the number.