VALPARAISO — IN
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER NORTH, INC.. - IN | 0772 | 8 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | 6725 | 6 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 5 |
| ONVOY, LLC - IN | 097D | 4 |
| T-MOBILE USA, INC. | 6529 | 3 |