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/OR/ALTAMONT

Altamont ZIP codes, Oregon

No ZIP code is named for Altamont, OR; addresses there use a neighbouring town's name. The ZIP code covering it is 97603. Its area codes are 541 and 458.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
19,927
Area codes
541, 458
State
Oregon

NANPA lists no telephone rate centre for Altamont itself, so these are the area codes of the nearest one, Klamath Falls (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Altamont in numbers

About 19,927 people live in Altamont, in 8,016 households, the 34th-largest of Oregon's 420 census places. The median household income is $58,629 a year, 29% below the Oregon median of $83,011 (US: $80,734). The median owner-occupied home is valued at $249,200 (48% below the Oregon median), and median gross rent is $1,015 a month. The median age is 38.0; 22.0% of adults 25 and over hold a bachelor's degree or higher (36.8% across Oregon); the average commute takes 15 minutes.

Population19,927Altamont19,927
Households8,016Altamont8,016
Median age38.0Altamont38.0Oregon40.4US 38.9
Median household income$58,629Altamont$58,629Oregon$83,011US $80,734
Median home value$249,200Altamont$249,200Oregon$477,600US $332,700
Median gross rent$1,015Altamont$1,015Oregon$1,525US $1,413
Bachelor's degree or higher22.0%Altamont22.0%Oregon36.8%US 35.7%
Mean commute14.8 minAltamont14.8 minOregon23.0 minUS 26.4 min
Population density2,472 / sq miAltamont2,472 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Altamont CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Altamont

These ZIP codes cover part of Altamont but are addressed as somewhere else.

ZIP codes overlapping Altamont
ZIP City Type Population Median income Median home
97603 Klamath Falls , OR Standard 33,222 $66,937 $282,800

Map of Altamont ZIP codes

97603

The ZIP codes of Altamont, OR, 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 Altamont

The nearest larger towns are Klamath Falls (22,115 people, 3.1 mi), Ashland (21,259 people, 50 mi) and Medford (86,315 people, 58 mi).

Towns near Altamont
TownPopulationDistance
Klamath Falls 22,115 3.1 mi

More nearby: every ZIP code in Klamath County · Oregon ZIP codes

Cite this page

zipcodes.pro. “Altamont, OR ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/or/altamont

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