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/O-BRIEN

O Brien ZIP code, Oregon

The ZIP code for O Brien, OR is 97534, and its area codes are 458 and 541.

USPS city name
1 ZIP code
Population
379
Area codes
458, 541
State
Oregon

O Brien in numbers

About 379 people live in O Brien, in 211 households. The median household income is $29,252 a year, 65% below the Oregon median of $83,011 (US: $80,734). The median owner-occupied home is valued at $168,400 (65% below the Oregon median). The median age is 66.7; 8.2% of adults 25 and over hold a bachelor's degree or higher (36.8% across Oregon).

Population379O Brien379
Households211O Brien211
Median age66.7O Brien66.7Oregon40.4US 38.9
Median household income$29,252O Brien$29,252Oregon$83,011US $80,734
Median home value$168,400O Brien$168,400Oregon$477,600US $332,700
Bachelor's degree or higher8.2%O Brien8.2%Oregon36.8%US 35.7%
Population density73 / sq miO Brien73 / sq mi

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

ZIP codes addressed as O Brien

ZIP codes with the USPS city name O Brien
ZIP City Type Population Median income Median home
97534 O Brien , OR Standard 892 $39,194 —

Map of O Brien ZIP codes

97534

The ZIP codes of O Brien, 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 O Brien

The nearest larger towns are Takilma (658 people, 5.0 mi), Cave Junction (1,691 people, 6.7 mi) and Selma (520 people, 15 mi).

Towns near O Brien
TownPopulationDistance
Redwood 3,721 28.4 mi

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

Cite this page

zipcodes.pro. “O Brien, OR ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/or/o-brien

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