Phone numbers in Tomah, Wisconsin
Tomah has 10 phone prefixes in area code 608.
Biggest holders: UScellular, Brightspeed Of Western Wisconsin, Verizon Wireless. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 70%
- Local phone company 20%
- Internet / business phone carrier 10%
Every prefix in Tomah
Search the first six digits of a number in this list. If it's here, the number started in Tomah with the carrier shown. If it isn't, check the Wisconsin page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 608-315 | MetroPCS (T-Mobile) | Mobile carrier | – |
| 608-343 | UScellular | Mobile carrier | – |
| 608-344 | UScellular | Mobile carrier | – |
| 608-372 | Brightspeed Of Western Wisconsin | Local phone company | – |
| 608-374 | Brightspeed Of Western Wisconsin | Local phone company | – |
| 608-377 | Verizon Wireless | Mobile carrier | – |
| 608-387 | Verizon Wireless | Mobile carrier | 2003 |
| 608-567 | T-Mobile (including Sprint) | Mobile carrier | 2001 |
| 608-706 | T-Mobile (including Sprint) | Mobile carrier | 2021 |
| 608-928 | Onvoy | Internet / business phone carrier | 2024 |
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.