Phone numbers in North Liberty, Iowa
North Liberty has 6 phone prefixes in area code 319.
Biggest holders: South Slope Coop. Tel, Mcc Telephony, Verizon Wireless. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 17%
- Internet / business phone carrier 17%
- Phone company 67%
Every prefix in North Liberty
Search the first six digits of a number in this list. If it's here, the number started in North Liberty with the carrier shown. If it isn't, check the Iowa page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 319-459 | Mcc Telephony | Internet / business phone carrier | 2010 |
| 319-625 | South Slope Coop. Tel | Phone company | – |
| 319-626 | South Slope Coop. Tel | Phone company | – |
| 319-632 | South Slope Coop. Tel | Phone company | – |
| 319-665 | South Slope Coop. Tel | Phone company | – |
| 319-853 | Verizon Wireless | Mobile carrier | 2007 |
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.