PLAINFIELD — IN
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| INDIANA BELL TEL CO INC | 9325 | 5 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - IN | 7314 | 3 |
| PAETEC ITEL, LLC | 829J | 3 |
| ONVOY, LLC - IN | 097D | 1 |
| OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | 1 |