Missouri, United States
Central Time
12:23 AM
Area Code
636
State / Province
Missouri
Country
United States
Time Zone
Central Time
Area code 636 covers 87 cities and communities across Missouri, based on telephone company rate center data.
Use the E.164 format for clickable phone links (RFC 3966):
<a href="tel:+16365550100">+16365550100</a><a href="tel:+16365550199">+16365550199</a>Look up which exchange in Missouri a specific 636 number is homed to, and whether its block is wireline or wireless. See what a reverse lookup can establish before relying on the answer.
434 active prefixes in this area code, assigned as 3,741 thousands-blocks — pooling splits one prefix across several carriers, so each block is listed separately with the rate centre it is homed to, its carrier of record, and the switch that serves it.
Showing blocks 1–100 of 3,741
| NPA-NXX | Block | Rate centre | Type | Carrier (OCN) | Switch | LATA | LIR | Dates |
|---|---|---|---|---|---|---|---|---|
| 636-200 | 0 | Manchester | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-200 | 1 | Manchester | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-200 | 2 | Manchester | Landline or VoIP | BANDWIDTH.COM CLEC, LLC - MO (993E) | STLSMO05RMD | 520 | — | — |
| 636-200 | 3 | Manchester | Landline or VoIP | BANDWIDTH.COM CLEC, LLC - MO (993E) | STLSMO05RMD | 520 | — | — |
| 636-200 | 4 | Manchester | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-200 | 5 | Manchester | Landline or VoIP | LEVEL 3 COMMUNICATIONS, LLC - MO (4932) | ST LOUIS | 520 | — | — |
| 636-200 | 6 | Manchester | Landline or VoIP | LEVEL 3 COMMUNICATIONS, LLC - MO (4932) | ST LOUIS | 520 | — | — |
| 636-200 | 7 | Manchester | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO (5814) | STLTMOBOAMD | 520 | — | — |
| 636-200 | 8 | Manchester | Landline or VoIP | BANDWIDTH.COM CLEC, LLC - MO (993E) | STLSMO05RMD | 520 | — | — |
| 636-200 | 9 | Manchester | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-200 | A | Manchester | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-201 | 0 | Warrenton | Landline or VoIP | TELNYX LLC (073H) | STLSMOWQ8MD | 520 | — | — |
| 636-201 | 1 | Warrenton | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-201 | 2 | Warrenton | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-201 | 3 | Warrenton | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-201 | 4 | Warrenton | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-201 | 5 | Warrenton | Wireless | T-MOBILE USA, INC. (6529) | WNVLMOXAVMD | 520 | — | — |
| 636-201 | 6 | Warrenton | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | WNVLMOXAX9X | 520 | — | — |
| 636-201 | 8 | Warrenton | Wireless | T-MOBILE USA, INC. (6529) | WNVLMOXAVMD | 520 | — | — |
| 636-201 | 9 | Warrenton | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | WNVLMOXAX9X | 520 | — | — |
| 636-201 | A | Warrenton | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | WNVLMOXAX9X | 520 | — | — |
| 636-202 | 0 | Warrenton | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-202 | 1 | Warrenton | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-202 | 2 | Warrenton | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-202 | 3 | Warrenton | Landline or VoIP | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO (7432) | ST LOUIS | 520 | — | — |
| 636-202 | 4 | Warrenton | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-202 | 5 | Warrenton | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-202 | 6 | Warrenton | Landline or VoIP | TELEPORT COMMUNICATIONS AMERICA, LLC - MO (6123) | STLSMO09XMD | 520 | — | — |
| 636-202 | 7 | Warrenton | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-202 | 8 | Warrenton | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-202 | 9 | Warrenton | Landline or VoIP | TELNYX LLC (073H) | STLSMOWQ8MD | 520 | — | — |
| 636-202 | A | Warrenton | Landline or VoIP | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO (7432) | ST LOUIS | 520 | — | — |
| 636-203 | 1 | Fenton | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-203 | 2 | Fenton | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-203 | 3 | Fenton | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-203 | 4 | Fenton | Landline or VoIP | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO (7432) | ST LOUIS | 520 | — | — |
| 636-203 | 5 | Fenton | Landline or VoIP | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO (7432) | ST LOUIS | 520 | — | — |
| 636-203 | 7 | Fenton | Landline or VoIP | BANDWIDTH.COM CLEC, LLC - MO (993E) | STLSMO05RMD | 520 | — | — |
| 636-203 | 8 | Fenton | Landline or VoIP | BANDWIDTH.COM CLEC, LLC - MO (993E) | STLSMO05RMD | 520 | — | — |
| 636-203 | 9 | Fenton | Landline or VoIP | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO (7432) | ST LOUIS | 520 | — | — |
| 636-203 | A | Fenton | Landline or VoIP | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO (7432) | ST LOUIS | 520 | — | — |
| 636-204 | 0 | Warrenton | Landline or VoIP | ONVOY, LLC - MO (093F) | STLSMO05XLX | 520 | — | — |
| 636-204 | 1 | Warrenton | Landline or VoIP | ONVOY, LLC - MO (093F) | STLSMO05XLX | 520 | — | — |
| 636-204 | 2 | Warrenton | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-204 | 3 | Warrenton | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-204 | 4 | Warrenton | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-204 | 5 | Warrenton | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-204 | 6 | Warrenton | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-204 | 7 | Warrenton | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | WNVLMOXAX9X | 520 | — | — |
| 636-204 | 8 | Warrenton | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-204 | 9 | Warrenton | Wireless | T-MOBILE USA, INC. (6529) | WNVLMOXAVMD | 520 | — | — |
| 636-204 | A | Warrenton | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-205 | 0 | Winfield | Landline or VoIP | LEVEL 3 COMMUNICATIONS, LLC - MO (4932) | ST LOUIS | 520 | — | — |
| 636-205 | 1 | Winfield | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-205 | 2 | Winfield | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-205 | 3 | Winfield | Landline or VoIP | TELNYX LLC (073H) | STLSMOWQ8MD | 520 | — | — |
| 636-205 | 4 | Winfield | Landline or VoIP | LEVEL 3 COMMUNICATIONS, LLC - MO (4932) | ST LOUIS | 520 | — | — |
| 636-205 | 5 | Winfield | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-205 | 6 | Winfield | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-205 | 8 | Winfield | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-205 | 9 | Winfield | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-205 | A | Winfield | Landline or VoIP | LEVEL 3 COMMUNICATIONS, LLC - MO (4932) | ST LOUIS | 520 | — | — |
| 636-206 | 0 | St Charles | Wireless | T-MOBILE USA, INC. (6529) | STLVMOOH6MD | 520 | — | — |
| 636-206 | 1 | St Charles | Wireless | T-MOBILE USA, INC. (6529) | STLVMOOH6MD | 520 | — | — |
| 636-206 | 2 | St Charles | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-206 | 3 | St Charles | Landline or VoIP | BANDWIDTH.COM CLEC, LLC - MO (993E) | STLSMO05RMD | 520 | — | — |
| 636-206 | 4 | St Charles | Landline or VoIP | BANDWIDTH.COM CLEC, LLC - MO (993E) | STLSMO05RMD | 520 | — | — |
| 636-206 | 5 | St Charles | Landline or VoIP | AT&T CORP. (516C) | STLSMO09WMD | 520 | — | — |
| 636-206 | 6 | St Charles | Landline or VoIP | BANDWIDTH.COM CLEC, LLC - MO (993E) | STLSMO05RMD | 520 | — | — |
| 636-206 | 7 | St Charles | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-206 | 8 | St Charles | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-206 | 9 | St Charles | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | NWTPMOABGT1 | 520 | — | — |
| 636-206 | A | St Charles | Landline or VoIP | AT&T CORP. (516C) | STLSMO09WMD | 520 | — | — |
| 636-207 | A | Manchester MCA3 | Landline | SOUTHWESTERN BELL (9533) | MANCHESTER | 520 | — | — |
| 636-208 | 0 | Festus-Crystal City | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | MNCHMOAQGT1 | 520 | — | — |
| 636-208 | 1 | Festus-Crystal City | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | MNCHMOAQGT1 | 520 | — | — |
| 636-208 | 2 | Festus-Crystal City | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | MNCHMOAQGT1 | 520 | — | — |
| 636-208 | 3 | Festus-Crystal City | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | MNCHMOAQGT1 | 520 | — | — |
| 636-208 | 4 | Festus-Crystal City | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | MNCHMOAQGT1 | 520 | — | — |
| 636-208 | 5 | Festus-Crystal City | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | MNCHMOAQGT1 | 520 | — | — |
| 636-208 | 6 | Festus-Crystal City | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | MNCHMOAQGT1 | 520 | — | — |
| 636-208 | 7 | Festus-Crystal City | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | MNCHMOAQGT1 | 520 | — | — |
| 636-208 | 8 | Festus-Crystal City | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | MNCHMOAQGT1 | 520 | — | — |
| 636-208 | 9 | Festus-Crystal City | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | MNCHMOAQGT1 | 520 | — | — |
| 636-208 | A | Festus-Crystal City | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | MNCHMOAQGT1 | 520 | — | — |
| 636-209 | 0 | Festus-Crystal City | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO (5814) | STLTMOBOAMD | 520 | — | — |
| 636-209 | 1 | Festus-Crystal City | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO (5814) | STLTMOBOAMD | 520 | — | — |
| 636-209 | 2 | Festus-Crystal City | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO (5814) | STLTMOBOAMD | 520 | — | — |
| 636-209 | 3 | Festus-Crystal City | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO (5814) | STLTMOBOAMD | 520 | — | — |
| 636-209 | 4 | Festus-Crystal City | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-209 | 5 | Festus-Crystal City | Landline or VoIP | ONVOY, LLC - MO (093F) | ST LOUIS | 520 | — | — |
| 636-209 | 6 | Festus-Crystal City | Landline or VoIP | IP HORIZON LLC (515J) | — | 520 | — | — |
| 636-209 | 7 | Festus-Crystal City | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | MNCHMOAQGT1 | 520 | — | — |
| 636-209 | 8 | Festus-Crystal City | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | MNCHMOAQGT1 | 520 | — | — |
| 636-209 | 9 | Festus-Crystal City | Landline or VoIP | METROPCS, INC. (5562) | STLVMOOH6MD | 520 | — | — |
| 636-209 | A | Festus-Crystal City | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO (5814) | STLTMOBOAMD | 520 | — | — |
| 636-210 | 0 | Union | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | NWTPMOABGT1 | 520 | — | — |
| 636-210 | 1 | Union | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | NWTPMOABGT1 | 520 | — | — |
| 636-210 | 2 | Union | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | NWTPMOABGT1 | 520 | — | — |
| 636-210 | 3 | Union | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | NWTPMOABGT1 | 520 | — | — |
Block-level assignments from the North American Numbering Plan administrator, via localcallingguide.com.
Assigned Prefixes
434
Assignment Blocks
3,741
Rate Centers
87
Carriers of Record
36
| Type | Blocks | Share |
|---|---|---|
| Landline | 659 | 18% |
| Landline or VoIP | 1,963 | 52% |
| Wireless | 1,119 | 30% |
| Carrier | Blocks |
|---|---|
| ONVOY, LLC - MO | 657 |
| SOUTHWESTERN BELL | 466 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 462 |
| T-MOBILE USA, INC. | 390 |
| BRIGHTSPEED OF MISSOURI, LLC | 187 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 180 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO | 177 |
| LEVEL 3 COMMUNICATIONS, LLC - MO | 170 |
| BANDWIDTH.COM CLEC, LLC - MO | 163 |
| PAETEC ITEL, LLC | 146 |
| 26 other carriers | 743 |
Carrier of record for each block. Numbers ported to another carrier keep their original block assignment, so this is not a lookup of who serves a given number today.
| Rate Center | Prefixes | Blocks |
|---|---|---|
| St Charles | 35 | 284 |
| Chesterfield | 24 | 253 |
| Harvester | 20 | 174 |
| Manchester | 18 | 162 |
| O'Fallon | 18 | 151 |
| Harvester MCA4 | 16 | 146 |
| Festus-Crystal City | 15 | 148 |
| Wentzville | 13 | 124 |
| St Peters | 12 | 105 |
| Washington | 12 | 104 |
| Chesterfield MCA3 | 11 | 60 |
| Fenton | 11 | 103 |
| Maxville | 11 | 117 |
| Union | 11 | 108 |
| Troy | 10 | 91 |
| High Ridge | 9 | 91 |
| Manchester MCA3 | 9 | 39 |
| St Charles MCA3 | 9 | 49 |
| Valley Park | 9 | 82 |
| Warrenton | 9 | 87 |
| Imperial | 8 | 65 |
| Cedar Hill | 7 | 69 |
| De Soto | 6 | 54 |
| O'Fallon MCA4 | 6 | 46 |
| Portage des Sioux | 6 | 35 |
| Antonia | 5 | 45 |
| Eureka | 5 | 46 |
| Fenton MCA3 | 5 | 25 |
| Pacific | 5 | 53 |
| St Clair | 5 | 39 |
| Valley Park MCA3 | 5 | 25 |
| Dardenne | 4 | 34 |
| Foristell | 4 | 36 |
| Gray Summit | 4 | 41 |
| Herculaneum-Pevely | 4 | 39 |
| Hillsboro | 4 | 32 |
| Pond | 4 | 36 |
| Pond MCA4 | 3 | 23 |
| St Peters MCA4 | 3 | 23 |
| Winfield | 3 | 30 |
| Dardenne MCA4 | 2 | 11 |
| Hawk Point | 2 | 13 |
| High Ridge MCA4 | 2 | 12 |
| Imperial MCA3 | 2 | 11 |
| Jonesburg | 2 | 14 |
| Maxville MCA3 | 2 | 12 |
| Orchard Farm | 2 | 11 |
| Ware | 2 | 15 |
| Wright City | 2 | 20 |
| Antonia MCA4 | 1 | 11 |
| Augusta | 1 | 10 |
| Augusta MCA5 | 1 | 9 |
| Cedar Hill MCA5 | 1 | 11 |
| De Soto MCA5 | 1 | 11 |
| Defiance | 1 | 8 |
| Defiance MCA5 | 1 | 8 |
| Eureka MCA4 | 1 | 11 |
| Festus-Crystal City MCA5 | 1 | 11 |
| Foley | 1 | 7 |
| Foley MCA6 | 1 | 8 |
| Foristell MCA5 | 1 | 11 |
| Gray Summit MCA5 | 1 | 11 |
| Herculaneum-Pevely MCA4 | 1 | 11 |
| High Hill | 1 | 9 |
| Hillsboro MCA5 | 1 | 10 |
| Holstein | 1 | 5 |
| Holstein MCA6 | 1 | 6 |
| Marthasville | 1 | 8 |
| Marthasville MCA6 | 1 | 10 |
| Moscow Mills | 1 | 9 |
| Moscow Mills MCA5 | 1 | 10 |
| New Melle | 1 | 10 |
| New Melle MCA5 | 1 | 10 |
| Old Monroe | 1 | 4 |
| Old Monroe MCA5 | 1 | 9 |
| Pacific MCA5 | 1 | 11 |
| Portage des Sioux MCA3 | 1 | 4 |
| St Clair MCA5 | 1 | 11 |
| Troy MCA5 | 1 | 11 |
| Truxton | 1 | 10 |
| Union MCA5 | 1 | 11 |
| Ware MCA5 | 1 | 11 |
| Warrenton MCA6 | 1 | 11 |
| Washington MCA5 | 1 | 10 |
| Wentzville MCA5 | 1 | 1 |
| Winfield MCA5 | 1 | 10 |
| Wright City MCA6 | 1 | 9 |
A rate center is the telephone exchange area a number is homed to. It sets local calling boundaries, and is not the caller's current location.
Area code 636 is a North American Numbering Plan (NANP) telephone area code assigned to Missouri, United States. It is one of 9 area codes serving Missouri. As population and demand for phone numbers grew, the region was divided into multiple numbering plan areas to avoid exhausting the available 7-digit number pool.
Yes. 636 is an active North American Numbering Plan (NANP) area code, currently assigned to Missouri, United States. It is safe to answer or dial calls using this area code.
Area code 636 covers 87 cities and communities in Missouri, including Antonia, Antonia Mca4, Augusta, Augusta Mca5, Cedar Hill, and 82 more localities. This is based on telephone company rate center data — the geographic areas carriers use to determine local calling boundaries and to assign numbers when a business or individual requests a phone number in a specific city.
All numbers in the 636 area code observe Central Time (IANA timezone: America/Chicago). Central Time is UTC−6 in winter (CST) and UTC−5 in summer (CDT). When placing a call to a 636 number from a different time zone, check the current local time above to avoid calling outside of business hours.
From within Missouri, dial the 7-digit local number directly if calling within the same rate center, or dial 1 + 636 + 7-digit number for long-distance calls within North America. From outside the US or Canada, dial your country's international exit code followed by 1 636 XXX XXXX. The country code for both the United States and Canada in NANP is +1.
Format 636 numbers using E.164 notation as required by RFC 3966: prefix with +1 and omit dashes and parentheses (e.g., +16365550100). This format ensures tel: links work correctly on all mobile browsers and VoIP apps. See the tel: URI formatting guide for complete examples.