Phone numbers in Le Mars, Iowa
Le Mars has 10 phone prefixes in area code 712.
Biggest holders: Verizon Wireless, Frontier, Onvoy. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 50%
- Local phone company 20%
- Internet / business phone carrier 20%
- Phone company 10%
Every prefix in Le Mars
Search the first six digits of a number in this list. If it's here, the number started in Le Mars with the carrier shown. If it isn't, check the Iowa page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 712-305 | Verizon Wireless | Mobile carrier | – |
| 712-494 | Onvoy | Internet / business phone carrier | 2025 |
| 712-500 | Long Lines Metro | Phone company | 2001 |
| 712-501 | AT&T Mobility | Mobile carrier | 2006 |
| 712-539 | UScellular | Mobile carrier | – |
| 712-540 | Verizon Wireless | Mobile carrier | – |
| 712-541 | Verizon Wireless | Mobile carrier | – |
| 712-546 | Frontier | Local phone company | – |
| 712-548 | Frontier | Local phone company | – |
| 712-966 | Fractel | Internet / business phone carrier | 2020 |
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.