San Juan County ZIP Codes
New Mexico, United States · 17 codes
San Juan County in New Mexico has 17 ZIP codes, from 87037 to 87499, serving 17 places.
ZIP codes in San Juan
Frequently asked questions
What is the ZIP code of San Juan?
San Juan has 17 ZIP codes, from 87037 to 87499. The table lists the places each one serves.
How many places are listed in San Juan County?
17 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.