UNION — MO
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 3 |
| SOUTHWESTERN BELL | 9533 | 3 |
| LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | 2 |
| TELNYX LLC | 073H | 1 |
| TERRA NOVA TELECOM INC. | 145J | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 3 |
| SOUTHWESTERN BELL | 9533 | 3 |
| LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | 2 |
| TELNYX LLC | 073H | 1 |
| TERRA NOVA TELECOM INC. | 145J | 1 |