MORRISTOWN — NJ
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| VERIZON NEW JERSEY, INC. | 9206 | 33 |
| NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | 25 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ | 6391 | 20 |
| OMNIPOINT COMMUNICATIONS, INC. - NJ | 6623 | 17 |
| LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | 8 |