PLAINFIELD — NJ
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| VERIZON NEW JERSEY, INC. | 9206 | 13 |
| OMNIPOINT COMMUNICATIONS, INC. - NJ | 6623 | 10 |
| COMCAST IP PHONE, LLC | 318J | 3 |
| NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | 3 |
| LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | 3 |