Missouri Area Codes
Data last updated: March 10, 2026
Area Codes in Missouri
| NPA | Major Cities | Status | Exchanges | Overlay |
|---|---|---|---|---|
| 235 | Saint Louis, Hazelwood, Jefferson City | Active | 786 | Yes |
| 314 | Saint Louis, Hazelwood, Creve Coeur | Active | 783 | Yes |
| 417 | Springfield, Branson, Lebanon | Active | 785 | No |
| 557 | Saint Louis, Hazelwood | Active | 786 | Yes |
| 573 | Saint Louis, Columbia, Manchester | Active | 786 | Yes |
| 636 | Saint Louis, Wentzville, Saint Charles | Active | 779 | No |
| 660 | Kansas City, Independence, Warrensburg | Active | 785 | No |
| 816 | Kansas City, Independence, Saint Joseph | Active | 785 | Yes |
| 975 | Kansas City, Independence | Active | 786 | Yes |
Top Carriers in Missouri
| Carrier | OCN | NXX Count |
|---|---|---|
| SOUTHWESTERN BELL | 9533 | 849 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 413 |
| ONVOY, LLC - MO | 093F | 344 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 5814 | 283 |
| LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | 224 |
| T-MOBILE USA, INC. | 6529 | 175 |
| AERIAL COMMUNICATIONS, INC. | 6701 | 136 |
| EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO | 1811 | 135 |
| BRIGHTSPEED OF MISSOURI, LLC | 9787 | 131 |
| BRIGHTSPEED OF EAST MISSOURI, LLC | 1151 | 116 |