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New Mexico · Mountain Time Updated July 2026

Area Codes in New Mexico

10 codes, from a 1947 original to 2022’s newest, and an 11th on the way

New Mexico has 2 active area codes — from 505 in 1947 to 575 in 2007. 505 is Farmington and its surroundings; 575 is Las Cruces and its surroundings. Tap any code below for its full guide: who called, cities and ZIP codes, the coverage map and the live local time.

Not sure which code is yours? Every New Mexico city is covered below. Find your city ›
Area codes2
Original505 · 1947
Newest575 · 2007
Largest metroAlbuquerque
Local time12:40 AM MT
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→Cities & ZIP codes

Every city in the 404, with ZIPs and internet type.

→Coverage map

Exactly where area code 404 reaches.

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All 2 New Mexico Area Codes

Every active code: tap any card for its full guide, who called, cities and ZIPs, map, spam patterns and local time.

505Albuquerque, Aztec, Bloomfield683 prefixes in serviceArea code 505 guide ›575Alamogordo, Arroyo Seco, Artesia521 prefixes in serviceArea code 575 guide ›
Got a call from a New Mexico number you don’t recognize? Open that code’s guide above for its full prefix lookup. AT&T ActiveArmor® blocks spam automatically, included with AT&T wireless plans.Requires compatible device/service and download of the AT&T ActiveArmor® app. Other terms & restrictions apply. May not detect all threats and may block wanted calls. Some features require Advanced mobile security ($7/mo.). See how ActiveArmor works

New Mexico Area Codes by City

The largest New Mexico communities and the area codes that serve them. Every city links to its local AT&T internet page.

CityArea code(s)
Albuquerque505
Las Cruces575
Farmington505
Alamogordo575
Artesia575
Carlsbad575
Clovis575
Gallup505
Hobbs575
Rio Rancho505
Roswell575
Santa Fe505

How New Mexico Got Its Codes

Every New Mexico area code, in the order it entered service. Splits carved new regions; added codes overlay existing ones, which is why ten-digit dialing is standard.

In serviceCodeHow it arrived
1947505One of the original area codes of 1947
2007575Split from 505

Source: NANPA NPA database, July 2026. Regenerated monthly.

New Mexico Area Code Map

Every active New Mexico area code at a glance, anchored to the metro each one serves. Tap any code above for its detailed coverage map.

Map of New Mexico area codes with anchor cities↓  Printable PDF

Open the printable New Mexico area code map (PDF) — poster format with a QR code back to this page.

AT&T Home Internet in New Mexico

AT&T home internet is available across New Mexico, checked address by address; every area code guide above lists its cities and what’s offered there.

No data capsNo annual contractNo equipment fees

AT&T Fiber: Ltd. avail/areas. Speeds based on wired connection. Actual speeds vary. For 5-GIG, single device wired speed maximum 4.7Gbps. For more info., visit att.com/speed101.

Check availability at your addressAll AT&T services in New Mexico ›

Start with home internet in New Mexico, or pair it with wireless in an internet + wireless bundle.

Family streaming together on AT&T home internet
Home internet across New MexicoCheck your address ›

AT&T Wireless in New Mexico

AT&T’s 5G network covers most of New Mexico. ActiveArmor® spam blocking is included with every unlimited plan, your number stays yours when you move between New Mexico codes, and great cell phone deals in New Mexico are a tap away.

5G across New MexicoActiveArmor® includedKeep your number

AT&T may temporarily slow data speeds if the network is busy. 5G req’s compatible plan & device. Coverage not available everywhere. Learn more at att.com/5Gforyou.

Shop wireless plansBring your number ›

See the AT&T wireless coverage map for New Mexico ›

Woman smiling at her phone on a downtown street
Stay connected across New MexicoShop wireless plans ›

AT&T Stores Across New Mexico

From the Albuquerque metro to Artesia, Las Cruces and beyond, walk in for switching, porting, upgrades and hands-on help. Every area code guide lists its nearest stores.

Find your nearest AT&T store

Find stores in: Albuquerque · Artesia · Las Cruces · Alamogordo · Farmington

AT&T store employee helping a customer with her phone
Real help from real people across New MexicoFind a store ›

Area Codes in Neighboring States

Arizona area codesColorado area codesOklahoma area codesTexas area codesAll 50 states ›

New Mexico Area Code FAQ

How many area codes does New Mexico have?
New Mexico has 2 active area codes: 505, 575. Each links to a full guide above.
Which New Mexico area code is mine?
Tap any code above to see the communities it serves; each guide lists cities with ZIP codes and a coverage map.
Who called me from a New Mexico number?
Open that code's guide and check the prefix lookup: every assigned prefix with its carrier. No voicemail? Let it go — legitimate callers leave messages.
What time zone is New Mexico in?
New Mexico is primarily on Mountain time. The live local time is shown at the top of this page.
Does AT&T offer service in New Mexico?
Yes — home internet, wireless and retail stores across New Mexico. Availability is checked address by address.
Sources: prefix and carrier assignments from the NANPA central-office code registry; population figures from the U.S. Census Bureau; spam-pattern indicators from FTC Do Not Call filings and AT&T ActiveArmor® network telemetry. Facts are rebuilt from these sources at build time; the page regenerates monthly.
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