Phone numbers in Washburn, North Dakota
Washburn has 5 phone prefixes in area code 701.
Biggest holders: AT&T Mobility, Verizon Wireless, West River Telecommunications Coop. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 80%
- Phone company 20%
Every prefix in Washburn
Search the first six digits of a number in this list. If it's here, the number started in Washburn with the carrier shown. If it isn't, check the North Dakota page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 701-315 | AT&T Mobility | Mobile carrier | 2002 |
| 701-460 | Verizon Wireless | Mobile carrier | – |
| 701-462 | West River Telecommunications Coop | Phone company | – |
| 701-737 | AT&T Mobility | Mobile carrier | 2005 |
| 701-861 | Verizon Wireless | Mobile carrier | – |
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.