Farmington, NM ZIP Codes
Farmington, New Mexico has 3 ZIP codes: 2 for street addresses ( and ) and 1 for PO boxes ().
Your street decides which one you use.
Which Farmington ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Farmington ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
87499 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Farmington city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Farmington ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 87401 | street delivery Farmington |
| 87402 | street delivery Farmington |
| 87499 | PO boxes at the Farmington post office Farmington |
ZIP codes from nearby towns that reach into Farmington
- 87415, mailing town Flora Vista, covers 3 percent of Farmington
Why your mail may say Farmington when you live outside it
Farmington ZIP codes also cover Crouch Mesa, La Plata and Lake Valley, so a letter addressed to Farmington can go to a home outside the city limits.
The reverse happens too: parts of Farmington use 87415, which mails under a neighboring town's name.
A ZIP code does not set your city, school district or tax. San Juan County property records show which city you are in.
Farmington ZIP code questions
What is the main ZIP code for Farmington?
87401, the ZIP code of the main Farmington post office at 2301 E 20th St.
Which Farmington ZIP codes are for PO boxes only?
87499. Mail to it goes to boxes at the post office, not to street addresses.
What county is Farmington in?
San Juan County.
ZIP codes for towns near Farmington
More towns near Farmington: Flagstaff, Pueblo, Security-Widefield, Colorado Springs, Castle Rock, Ken Caryl, Dakota Ridge, Highlands Ranch, Littleton.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections