Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/NM/ALTO

Alto ZIP code, New Mexico

The ZIP code for Alto, NM is 88312, and its area code is 575.

USPS city name
1 ZIP code
Population
3,287
Area code
575

Alto in numbers

About 3,287 people live in Alto, in 1,502 households. The median household income is $80,345 a year, 25% above the New Mexico median of $64,059 (US: $80,734). The median owner-occupied home is valued at $304,100 (23% above the New Mexico median).

Population3,287Alto3,287
Households1,502Alto1,502
Median household income$80,345Alto$80,345New Mexico$64,059US $80,734
Median home value$304,100Alto$304,100New Mexico$248,100US $332,700

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Alto. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Alto

ZIP codes with the USPS city name Alto
ZIP City Type Population Median income Median home
88312 Alto , NM Standard 3,287 $80,345 $304,100

Map of Alto ZIP codes

88312

The ZIP codes of Alto, NM, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Alto

The nearest larger towns are Ruidoso (7,699 people, 5.9 mi), Alamogordo (31,307 people, 42 mi) and Holloman AFB (4,433 people, 48 mi).

Towns near Alto
TownPopulationDistance
Ruidoso 7,699 5.9 mi
Ruidoso Downs 2,655 7.5 mi

More nearby: every ZIP code in Lincoln County · New Mexico ZIP codes

Cite this page

zipcodes.pro. “Alto, NM ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/nm/alto

Underlying data is public domain or openly licensed — sources, vintages and licences.