New Mexico Area Codes

Area codes: 2
ZIP codes: 427
Cities & towns: 348
Counties: 33

Every area code in New Mexico

All New Mexico area codes, what each primarily serves, and which share ground with another.
Area code	Primarily serves	In service
505	Albuquerque	1947
575	—	2007

Which codes share the same ground

No New Mexico code shares its territory with another — each covers its own area, so an area code here still corresponds to a single part of the state.

Where New Mexico's communities sit

Each point is a New Mexico community, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Largest New Mexico cities and their codes

largest 25

Scope every area code assigned to New Mexico. Source LocalCallingGuide NPA list (2026-07 NPA list) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated 16 July 2026. Overlay relationships come from the numbering-plan authority; the city match is computed.