Phone numbers in Mukwonago, Wisconsin
Mukwonago has 3 phone prefixes in area code 262.
Biggest holders: Brightspeed Of Western Wisconsin, Teleport Communications America, LLC Wi, AT&T Mobility. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 33%
- Local phone company 33%
- Internet / business phone carrier 33%
Every prefix in Mukwonago
Search the first six digits of a number in this list. If it's here, the number started in Mukwonago with the carrier shown. If it isn't, check the Wisconsin page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 262-363 | Brightspeed Of Western Wisconsin | Local phone company | – |
| 262-368 | Teleport Communications America, LLC Wi | Internet / business phone carrier | – |
| 262-378 | AT&T Mobility | Mobile carrier | 2001 |
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.