LADUE — MO
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| SOUTHWESTERN BELL | 9533 | 83 |
| T-MOBILE USA, INC. | 6529 | 52 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 5814 | 51 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 24 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - MO | 7218 | 17 |