Phone numbers in Columbus Junction, Iowa
Columbus Junction has 5 phone prefixes in area code 319.
Biggest holders: Verizon Wireless, Windstream Iowa Communications, Local Telephone Data Services. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 40%
- Local phone company 40%
- Phone company 20%
Every prefix in Columbus Junction
Search the first six digits of a number in this list. If it's here, the number started in Columbus Junction with the carrier shown. If it isn't, check the Iowa page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 319-212 | Verizon Wireless | Mobile carrier | 2003 |
| 319-255 | Local Telephone Data Services | Phone company | 2002 |
| 319-344 | Windstream Iowa Communications | Local phone company | 2015 |
| 319-452 | Verizon Wireless | Mobile carrier | 2023 |
| 319-728 | Windstream Iowa Communications | 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.