ZIP Code 87939

87939 is one of New Mexico's ZIP codes, delivering to addresses in Monticello, Sierra County.

City: Monticello
County: Sierra County
State: New Mexico
Prefix: 879xx

Where this code sits

87939 is part of the 879xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Monticello.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 87939 delivers to without sharing its boundary.

505 Area code 505

ZIP codes nearest 87939

The ZIP codes whose reference points sit closest to 87939.
ZIP code	Distance	Delivers to
ZIP code 87943	14 mi	Winston, NM
ZIP code 87935	19 mi	Elephant Butte, NM
ZIP code 87901	20 mi	Truth Or Consequences, NM
ZIP code 87942	21 mi	Williamsburg, NM
ZIP code 87931	30 mi	Caballo, NM
ZIP code 88042	34 mi	Hillsboro, NM
ZIP code 87930	39 mi	Arrey, NM
ZIP code 87654	40 mi	Spaceport City, 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 87939, plotted from its record coordinates.

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

Scope ZIP code 87939. 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.