NORTHFIELD — MN
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - MN | 184D | 5 |
| AERIAL COMMUNICATIONS, INC. | 6701 | 3 |
| QWEST CORPORATION | 9631 | 3 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 2 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN | 5816 | 1 |