Phone numbers in Underwood, North Dakota
Underwood has 3 phone prefixes in area code 701.
Biggest holders: West River Telecommunications Coop, Verizon Wireless. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 33%
- Phone company 67%
Every prefix in Underwood
Search the first six digits of a number in this list. If it's here, the number started in Underwood with the carrier shown. If it isn't, check the North Dakota page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 701-442 | West River Telecommunications Coop | Phone company | – |
| 701-654 | West River Telecommunications Coop | Phone company | – |
| 701-980 | Verizon Wireless | Mobile carrier | 2005 |
Most prefixes are pooled: the 10,000 numbers in each are handed out in blocks of 1,000 to different carriers, and people can also take their numbers to another carrier. So the carrier shown is where the prefix started, not a guarantee about any one number. Source: NANPA central office code records, 2026-10-10.