Phone numbers in La Mesa, New Mexico
La Mesa has 4 phone prefixes in area code 575.
Biggest holders: CenturyLink / Lumen, Level 3 (Lumen), Peerless Network Of New Mexico. This is the local calling area (rate center) where those prefixes were first assigned.
- Local phone company 25%
- Internet / business phone carrier 75%
Every prefix in La Mesa
Search the first six digits of a number in this list. If it's here, the number started in La Mesa with the carrier shown. If it isn't, check the New Mexico page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 575-233 | CenturyLink / Lumen | Local phone company | – |
| 575-300 | Level 3 (Lumen) | Internet / business phone carrier | 2008 |
| 575-338 | Peerless Network Of New Mexico | Internet / business phone carrier | 2019 |
| 575-966 | TON80 Communications | Internet / business phone carrier | 2022 |
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.