BAYSTLOUIS — MS
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | 7 |
| LEVEL 3 COMMUNICATIONS, LLC - MS | 5178 | 2 |
| TELEPAK NETWORKS, INC. - MS | 5278 | 2 |
| METROPCS, INC. | 5562 | 2 |
| NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | 2 |