Phone numbers in Delavan, Wisconsin
Delavan has 9 phone prefixes in area code 262.
Biggest holders: T-Mobile (including Sprint), AT&T (local phone), UScellular. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 44%
- Local phone company 22%
- Internet / business phone carrier 33%
Every prefix in Delavan
Search the first six digits of a number in this list. If it's here, the number started in Delavan with the carrier shown. If it isn't, check the Wisconsin page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 262-233 | UScellular | Mobile carrier | 2015 |
| 262-267 | T-Mobile (including Sprint) | Mobile carrier | 2020 |
| 262-427 | Windstream (PAETEC) | Internet / business phone carrier | – |
| 262-482 | MetroPCS (T-Mobile) | Mobile carrier | 2025 |
| 262-725 | Teleport Communications America, LLC Wi | Internet / business phone carrier | – |
| 262-728 | AT&T (local phone) | Local phone company | – |
| 262-740 | AT&T (local phone) | Local phone company | – |
| 262-749 | T-Mobile (including Sprint) | Mobile carrier | – |
| 262-762 | Onvoy | Internet / business phone carrier | 2022 |
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.