New Mexico area codes
New Mexico has 2 area codes, all on UTC−7 standard time. Each card shows the main cities; open one for its overlays, history and a free lookup.
FAQ
New Mexico area code questions
How many area codes does New Mexico have?
New Mexico has 2 area codes in service: 505 and 575.
What was the original New Mexico area code?
505 was among the original area codes created in 1947.
What is the newest area code in New Mexico?
575, in service since October 7, 2007.
What time zone is New Mexico area codes in?
Mountain.
Look up a number
Validity, carrier, line type, and region on the first pass.
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Sources: NANPA NPA database (11/04/2026) and Google libphonenumber. Area codes show where a number was assigned, not where its owner is today.