ZIP Code 87021

87021 is one of New Mexico's ZIP codes, delivering to addresses in Milan, Cibola County.

City: Milan
County: Cibola County
State: New Mexico
Prefix: 870xx

Where this code sits

87021 is part of the 870xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Milan.

Milan New Mexico ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 87021 delivers to without sharing its boundary.

505 Area code 505

ZIP codes nearest 87021

The ZIP codes whose reference points sit closest to 87021.
ZIP code	Distance	Delivers to
ZIP code 87020	2.7 mi	Grants, NM
ZIP code 87051	4.0 mi	San Rafael, NM
ZIP code 87005	8.0 mi	Bluewater, NM
ZIP code 87045	18 mi	Prewitt, NM
ZIP code 87049	18 mi	San Fidel, NM
ZIP code 87014	22 mi	Cubero, NM
ZIP code 87323	22 mi	Thoreau, NM
ZIP code 87007	25 mi	Casa Blanca, NM

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 87021, plotted from its record coordinates.

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

Scope ZIP code 87021. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.