New Mexico ZIP codes

All 427 ZIPs in New Mexico, 87001 to 88439. Tap one on the map or in the list.

427

ZIP codes

2,118,558

people live in them

counties

PO Box & no-area ZIPs

Most people

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All 427 New Mexico ZIP codes

ZIP codes by county

Pick a county for its ZIP list and map. Counts include ZIPs that only partly reach into the county.

Questions people actually ask

How many ZIP codes are in New Mexico?

427 ZIP codes are in use in New Mexico. 371 cover a delivery area, and 56 are PO Box, single-building or organization ZIPs with no area of their own.

What do New Mexico ZIP codes start with?

New Mexico ZIP codes start with these three-digit prefixes: 870–871, 873–884. Each prefix is a mail sorting area run from one processing center.

Which New Mexico ZIP code has the most people?

87121 in Albuquerque has the most residents of any New Mexico ZIP, about 75,510 people in the Census Bureau’s ACS 2020–2024 estimates.

Which New Mexico county has the most ZIP codes?

Bernalillo County touches 53 ZIP codes, the most of the 33 counties in New Mexico. 74 New Mexico ZIPs reach into more than one county.

Are these the official USPS ZIP code boundaries?

The map uses Census ZIP Code Tabulation Areas, the standard public stand-in for USPS delivery areas. They match for almost every home. For a mailing address, the USPS ZIP Code lookup has the final word.

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Updated 2026-11-10 · Where the data comes from