WASHINGTON — IN
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 2 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | 6725 | 2 |
| INDIANA BELL TEL CO INC | 9325 | 2 |
| OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - IN | 4803 | 1 |