CallataGuidesArea code 575
Where 575 is, how it is dialed, which carriers hold its numbers and how many of its codes are in use, from NANPA's 10/01/2026 files.
- State
- NM
- In service
- 2007
- Assigned codes
- 521of 800 possible
- Carriers
- 49
Where area code 575 is
575 is one of 2 geographic area codes serving New Mexico; NANPA records its in-service date as October 7, 2007. It is not part of an overlay, so every number in its territory starts with 575. It is in the Mountain time zone. The places with the most assigned exchanges include Las Cruces, Alamogordo, Roswell, Hobbs, and Clovis. By population, its largest named places are Las Cruces, Roswell, Hobbs, Clovis, and Carlsbad.
| Item | Value |
|---|---|
| State | New Mexico |
| In service since | October 7, 2007 |
| Assigned by NANPA | November 9, 2006 |
| Overlay | No |
| Parent area code (NANPA) | 505 |
| Time zone | Mountain |
| Local calls within the code | ten digits (area code plus number) |
| Assigned central office codes | 521 |
| Rate centers with codes | 120 |
| Carriers holding codes | 49 |
| Pooled codes | 327 |
| Codes assigned since 2020 | 90 |
| Relief planning in progress | No |
Source: NANPA NPA report and utilized central office code file, both dated 10/01/2026.
Places served by 575
575 holds 43% of the 1,205 central office codes assigned in New Mexico, the 2nd most of the state's 2 codes. 65 Census places could be matched to rate centers with 575 exchanges; the most populous are Las Cruces (117,000), Roswell (47,176), Hobbs (41,061), and Clovis (37,555). Each place page lists the exact prefixes and carriers for that town.
| Place | Population (2024) | Area codes | Exchanges | Carriers |
|---|---|---|---|---|
| Las Cruces, NM | 116,998 | 575 | 61 | 16 |
| Roswell, NM | 47,176 | 575 | 28 | 10 |
| Hobbs, NM | 41,061 | 575 | 28 | 10 |
| Clovis, NM | 37,555 | 575 | 22 | 10 |
| Carlsbad, NM | 31,999 | 575 | 19 | 8 |
| Alamogordo, NM | 31,667 | 575 | 31 | 11 |
| Deming, NM | 15,272 | 575 | 11 | 6 |
| Artesia, NM | 12,550 | 575 | 14 | 9 |
| Portales, NM | 11,789 | 575 | 8 | 6 |
| Lovington, NM | 11,693 | 575 | 5 | 5 |
| Silver City, NM | 9,399 | 575 | 15 | 7 |
| Anthony, NM | 8,910 | 575 | 8 | 7 |
| Socorro, NM | 8,348 | 575 | 10 | 7 |
| Ruidoso, NM | 7,640 | 575 | 11 | 7 |
| Taos, NM | 6,453 | 575 | 14 | 8 |
Population: Census Vintage 2024 estimates for the matched place. Exchanges and carriers: NANPA utilized code file.
Ten-digit and seven-digit dialing in 575
According to NANPA's dialing-plan data, local calls within 575 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits. Because local calls need the area code, business cards, signage and website copy should always show the full ten-digit number. NANPA's dialing-plan note for this code reads: "1+10 digit permissible at service provider discretion."
Who holds 575 exchanges
49 carriers hold the 521 central office codes assigned in 575. Qwest Corporation has the most, with 77 (15%). 327 of the codes (63%) are pooled, meaning the code holder shares blocks of 1,000 numbers with other carriers instead of using all 10,000 itself. The code holder is not necessarily the carrier serving a given number today, since numbers can be ported between providers.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Qwest Corporation | 77 | 15% |
| Onvoy, LLC - NM | 54 | 10% |
| Cellco Partnership d/b/a Verizon Wireless - NM | 51 | 9.8% |
| New Cingular Wireless PCS, LLC - Il | 37 | 7.1% |
| T-mobile USA, INC. | 37 | 7.1% |
| Valor Telecom Tx,lp-nm #2 d/b/a Windstream Comm SW | 26 | 5.0% |
| E.n.m.r. Tel Coop | 24 | 4.6% |
| Bandwidth.com CLEC, LLC - NM | 23 | 4.4% |
| Valor Telecom Tx,lp-nm #1 d/b/a Windstream Comm SW | 18 | 3.5% |
| Ton80 Communications, LLC | 17 | 3.3% |
| Mescalero Apache Telecom, INC. - NM | 13 | 2.5% |
| Level 3 Communications, LLC - NM | 12 | 2.3% |
Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.
Rate centers and towns in 575
NANPA assigns each central office code to a rate center, the local calling area that decides whether a call is local or toll. 575 has codes in 120 rate centers. Rate center names in the file are abbreviations; where one matches a Census place, the table links to that city's local-number page.
| Rate center (NANPA) | Place | Codes |
|---|---|---|
| LAS CRUCES | Las Cruces, NM | 61 |
| ALAMOGORDO | Alamogordo, NM | 31 |
| ROSWELL | Roswell, NM | 28 |
| HOBBS | Hobbs, NM | 28 |
| CLOVIS | Clovis, NM | 22 |
| CARLSBAD | Carlsbad, NM | 19 |
| SILVERCITY | Silver City, NM | 15 |
| TAOS | Taos, NM | 14 |
| ARTESIA | Artesia, NM | 14 |
| RUIDOSO | Ruidoso, NM | 11 |
| DEMING | Deming, NM | 11 |
| CANNON AFB | not matched | 11 |
| SOCORRO | Socorro, NM | 10 |
| SNA TERESA | not matched | 9 |
| TUCUMCARI | Tucumcari, NM | 9 |
| RATON | Raton, NM | 9 |
| TRUTHCQNCS | not matched | 9 |
| ANTHONY | Anthony, NM | 8 |
| PORTALES | Portales, NM | 8 |
| ANGEL FIRE | Angel Fire, NM | 5 |
| CHAPARRAL | not matched | 5 |
| LOVINGTON | Lovington, NM | 5 |
| TEXICO | Texico, NM | 4 |
| ALTO | not matched | 4 |
| LA MESA | not matched | 4 |
Top 25 of 120 rate centers.
575 code assignments over time
An area code has 800 possible central office codes that start with 2 through 9, a few of which are reserved (such as N11 service codes and 555). 521 are assigned in 575, 65% of 800. 90 were assigned in 2020 or later.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 94 | 34% |
| 2010s | 93 | 34% |
| 2020s | 90 | 32% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
A local 575 number on Callata
Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.
Porting a number you already use in area code 575 is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.
AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.
Frequently asked questions
Where is area code 575?
575 is a geographic area code in New Mexico. Places with the most assigned exchanges include Las Cruces, Alamogordo, Roswell, and Hobbs.
What time zone is area code 575 in?
NANPA lists 575 in the Mountain time zone.
When did area code 575 go into service?
NANPA records an in-service date of October 7, 2007. The code was assigned on November 9, 2006.
Is 575 an overlay area code?
No. NANPA does not list 575 as part of an overlay.
Can my business get a 575 phone number?
Callata includes up to 3 local numbers on its $99/month plan (5 users included). Which 575 numbers are open depends on carrier inventory when you choose, and you can port an existing number for free.