Phone numbers in Baraboo, Wisconsin
Baraboo has 12 phone prefixes in area code 608.
Biggest holders: UScellular, Brightspeed Of North Central Wisconsin, Verizon Wireless. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 58%
- Local phone company 17%
- Internet / business phone carrier 25%
Every prefix in Baraboo
Search the first six digits of a number in this list. If it's here, the number started in Baraboo with the carrier shown. If it isn't, check the Wisconsin page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 608-355 | Brightspeed Of North Central Wisconsin | Local phone company | – |
| 608-356 | Brightspeed Of North Central Wisconsin | Local phone company | – |
| 608-389 | Bandwidth | Internet / business phone carrier | 2020 |
| 608-393 | UScellular | Mobile carrier | – |
| 608-402 | Bug Tussel Wireless | Mobile carrier | 2010 |
| 608-434 | UScellular | Mobile carrier | 2002 |
| 608-448 | T-Mobile (including Sprint) | Mobile carrier | 2001 |
| 608-477 | Verizon Wireless | Mobile carrier | 2003 |
| 608-581 | Verizon Wireless | Mobile carrier | 2015 |
| 608-809 | Onvoy | Internet / business phone carrier | 2023 |
| 608-963 | UScellular | Mobile carrier | – |
| 608-990 | Onvoy | Internet / business phone carrier | 2025 |
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.