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/PITTSBURG

Pittsburg ZIP code, California

The ZIP code for Pittsburg, CA is 94565, and its area code is 925.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
76,257
Area code
925

Mail addressed to Pittsburg 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.

Pittsburg in numbers

About 76,257 people live in Pittsburg, in 23,781 households. The median household income is $99,861 a year, about the same as the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $597,900 (19% below the California median), and median gross rent is $2,264 a month. The median age is 36.6; 23.6% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 38 minutes.

Population76,257Pittsburg76,257
Households23,781Pittsburg23,781
Median age36.6Pittsburg36.6California37.9US 38.9
Median household income$99,861Pittsburg$99,861California$99,122US $80,734
Median home value$597,900Pittsburg$597,900California$734,700US $332,700
Median gross rent$2,264Pittsburg$2,264California$2,036US $1,413
Bachelor's degree or higher23.6%Pittsburg23.6%California37.1%US 35.7%
Mean commute38.0 minPittsburg38.0 minCalifornia28.7 minUS 26.4 min
Population density4,314 / sq miPittsburg4,314 / sq mi

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

ZIP codes addressed as Pittsburg

ZIP codes with the USPS city name Pittsburg
ZIP City Type Population Median income Median home
94565 Pittsburg , CA Standard 100,488 $95,556 $583,800

Other ZIP codes overlapping Pittsburg

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

ZIP codes overlapping Pittsburg
ZIP City Type Population Median income Median home
94509 Antioch , CA Standard 70,090 $86,196 $584,100

Map of Pittsburg ZIP codes

The ZIP codes of Pittsburg, 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 Pittsburg

The nearest larger towns are Antioch (116,477 people, 6.1 mi), Concord (124,035 people, 6.5 mi) and San Ramon (85,993 people, 17 mi).

Towns near Pittsburg
TownPopulationDistance
Bay Point 24,231 3.7 mi
Clayton 10,937 5.6 mi
Antioch 116,477 6.1 mi
Concord 124,035 6.5 mi
Pacheco 4,325 9.6 mi
Vine Hill 3,540 10.4 mi
Contra Costa Centre 6,893 10.6 mi
Pleasant Hill 34,235 10.7 mi
Walnut Creek 70,088 11.1 mi
Oakley 45,183 11.2 mi
Brentwood 65,208 11.2 mi
San Miguel 3,967 11.8 mi
Martinez 36,903 11.9 mi
Reliez Valley 3,173 12.4 mi

More nearby: every ZIP code in Contra Costa County · California ZIP codes

Cite this page

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

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