MORRISTOWN — IN
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | 6725 | 2 |
| FRONTIER NORTH, INC.. - IN | 0772 | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - IN | 4803 | 1 |
| BOOST SUBSCRIBERCO L.L.C. | 490J | 1 |
| HANCOCK COMMUNICATIONS, INC. - IN | 7459 | 1 |