WESTFIELD — NJ
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| VERIZON NEW JERSEY, INC. | 9206 | 9 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | 3 |
| PAETEC ITEL, LLC | 829J | 3 |
| LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | 2 |
| OMNIPOINT COMMUNICATIONS, INC. - NJ | 6623 | 2 |