VALLEYPARK — MO
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| SOUTHWESTERN BELL | 9533 | 7 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO | 7432 | 3 |
| ONVOY, LLC - MO | 093F | 2 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - MO | 7218 | 1 |
| PAETEC ITEL, LLC | 829J | 1 |