ZIP Code 88312

88312 is one of New Mexico's ZIP codes, delivering to addresses in Alto, Lincoln County.

City: Alto
County: Lincoln County
State: New Mexico
Prefix: 883xx

Where this code sits

88312 is part of the 883xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Alto.

Alto New Mexico ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 88312 delivers to without sharing its boundary.

505 Area code 505

ZIP codes nearest 88312

The ZIP codes whose reference points sit closest to 88312.
ZIP code	Distance	Delivers to
ZIP code 88341	4.9 mi	Nogal, NM
ZIP code 88345	6.0 mi	Ruidoso, NM
ZIP code 88355	7.0 mi	Ruidoso, NM
ZIP code 88346	9.5 mi	Ruidoso Downs, NM
ZIP code 88323	10 mi	Fort Stanton, NM
ZIP code 88316	12 mi	Capitan, NM
ZIP code 88324	14 mi	Glencoe, NM
ZIP code 88340	16 mi	Mescalero, 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 88312, plotted from its record coordinates.

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

Scope ZIP code 88312. 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.