New Mexico Area Codes
2 active area codes · Albuquerque · Population around 2,126,774
New Mexico has 2 active area codes, serving cities like Albuquerque, Las Cruces, and Rio Rancho. The newest, 575, has been in service since October 7, 2007. Each code below links to its cities, carriers, timezone, and coverage map.
New Mexico Area Code Map
What area codes does New Mexico have?
- 505AlbuquerqueMountain Time (MT) · 205 cities · 1,366,073
- 575Las CrucesMountain Time (MT) · 240 cities · 751,449
More than one of these codes covers 4 of the 33 counties in New Mexico, and one county is covered by 2 of them.
How many phone prefixes does New Mexico use?
The area codes in New Mexico hold 1,129 assigned prefixes between them, listed under 69 distinct carrier names. A prefix is the three digits after the area code, and NANPA assigns each one to a single carrier.
Sources: City populations – U.S. Census Bureau PEP, Vintage 2024 (SUB-IP-EST2024-POP). State populations – the same program, Vintage 2025 (CO-EST2025-ALLDATA). Area-code footprint and county populations – 2020 Census Centers of Population, mapped against NANP area code boundaries. The share of each city inside a code is measured the same way, against Census place boundaries from the Census Bureau's TIGERweb service. Area code assignments – NANPA CO Code data. See our data methodology.
Frequently Asked Questions
How many area codes does New Mexico have?
New Mexico has 2 active area codes: 505, 575.
What is the main area code for New Mexico?
Of the 2 area codes in New Mexico, 505 is the oldest one still serving Albuquerque, its largest city. 505 has been in service since 1947.
What are the largest cities in New Mexico?
The largest cities in New Mexico include Albuquerque, Las Cruces, Rio Rancho, Santa Fe, Roswell.
What is the total population of New Mexico?
New Mexico has an estimated total population of 2,126,774 based on US Census PEP 2024 data.
What is the newest area code in New Mexico?
575, in service since October 7, 2007.
Is my county covered by more than one area code in New Mexico?
It may be: more than one area code covers 4 of the 33 counties in New Mexico, and one county there is covered by 2 of them. The table above shows which codes reach each of the largest cities.