Phone numbers in Howards Grove, Wisconsin
Howards Grove has 3 phone prefixes in area code 920.
Biggest holders: Eastcoast Telecom, Charter / Spectrum, Teleport Communications America, LLC Wi. This is the local calling area (rate center) where those prefixes were first assigned.
- Internet / business phone carrier 67%
- Phone company 33%
Every prefix in Howards Grove
Search the first six digits of a number in this list. If it's here, the number started in Howards Grove with the carrier shown. If it isn't, check the Wisconsin page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 920-565 | Eastcoast Telecom | Phone company | – |
| 920-828 | Charter / Spectrum | Internet / business phone carrier | – |
| 920-916 | Teleport Communications America, LLC Wi | Internet / business phone carrier | 2023 |
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.