Phone numbers in Lake Park, Iowa
Lake Park has 5 phone prefixes in area code 712.
Biggest holders: Great Lakes Communication, T-Mobile (including Sprint), CenturyLink / Lumen. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 20%
- Local phone company 20%
- Phone company 60%
Every prefix in Lake Park
Search the first six digits of a number in this list. If it's here, the number started in Lake Park with the carrier shown. If it isn't, check the Iowa page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 712-432 | Great Lakes Communication | Phone company | 2005 |
| 712-554 | T-Mobile (including Sprint) | Mobile carrier | 2025 |
| 712-637 | Great Lakes Communication | Phone company | 2021 |
| 712-831 | Great Lakes Communication | Phone company | 2015 |
| 712-832 | CenturyLink / Lumen | Local phone company | – |
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.