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/CA/COLUMBIA

Columbia ZIP code, California

The ZIP code for Columbia, CA is 95310, and its area codes are 209 and 350.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
2,235
Area codes
209, 350

NANPA lists no telephone rate centre for Columbia itself, so these are the area codes of the nearest one, Sonora (7.2 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Columbia uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Columbia in numbers

About 2,235 people live in Columbia, in 993 households. The median household income is $58,520 a year, 41% below the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $376,200 (49% below the California median), and median gross rent is $1,217 a month. The median age is 49.8; 23.6% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 28 minutes.

Population2,235Columbia2,235
Households993Columbia993
Median age49.8Columbia49.8California37.9US 38.9
Median household income$58,520Columbia$58,520California$99,122US $80,734
Median home value$376,200Columbia$376,200California$734,700US $332,700
Median gross rent$1,217Columbia$1,217California$2,036US $1,413
Bachelor's degree or higher23.6%Columbia23.6%California37.1%US 35.7%
Mean commute27.5 minColumbia27.5 minCalifornia28.7 minUS 26.4 min
Population density375 / sq miColumbia375 / sq mi

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

ZIP codes addressed as Columbia

ZIP codes with the USPS city name Columbia
ZIP City Type Population Median income Median home
95310 Columbia , CA Standard 1,356 $54,697 $434,800

Other ZIP codes overlapping Columbia

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

ZIP codes overlapping Columbia
ZIP City Type Population Median income Median home
95370 Sonora , CA Standard 28,355 $82,990 $448,400

Map of Columbia ZIP codes

The ZIP codes of Columbia, CA, 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 Columbia

The nearest larger towns are Sonora (4,919 people, 3.8 mi), Jamestown (3,265 people, 5.1 mi) and East Sonora (2,651 people, 5.7 mi).

Towns near Columbia
TownPopulationDistance
Sonora 4,919 3.8 mi
Jamestown 3,265 5.1 mi
East Sonora 2,651 5.7 mi
Phoenix Lake 4,794 5.8 mi
Mono Vista 3,675 7.9 mi
Angels 3,716 8.0 mi
Copperopolis 4,285 13.2 mi
San Andreas 2,979 18.0 mi
Rancho Calaveras 7,131 25.4 mi
Pine Grove 3,040 28.9 mi
Jackson 5,048 29.4 mi
Buckhorn 3,504 30.0 mi

More nearby: every ZIP code in Tuolumne County · California ZIP codes

Cite this page

zipcodes.pro. “Columbia, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/columbia

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