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 — ZIP/95231

95231

ZIP 95231 is French Camp, California, in San Joaquin County; area codes 209 and 350; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
San Joaquin
Metro area
Stockton-Lodi, CA
Population
3,896
Coordinates
37.8738, -121.2901
☼ Live from 95231 — French Camp, CA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 95231 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 95231
  • 🔢 Type 95231 into a pocket calculator and turn it upside down: IEZSG — not quite a word, sorry.
  • ➕ 95231 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111001111111111
  • 🏠 Its numerical neighbours: 95230 (Farmington, CA, 23 mi away) and 95232 (Glencoe, CA, 51 mi away).
  • 🔄 Backwards, 95231 becomes 13259, which is not a ZIP code at all.
  • 👥 49 other ZIP codes are made of exactly the same digits (12935, 12953, 15239, 15329, 15923, 19352, …). The farthest-flung twin is 12935 in Ellenburg Depot, NY, 2,473 miles away.
  • 🧭 Farther south than 59% of all ZIP codes, and farther west than 94%.
  • 🎯1,226 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 95231 and you would come out at 37.87°S, 58.71°E — 977 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 47m of daylight. Shortest: 9h 32m.
  • 📏 At 10.8 square miles of land, 95231 is bigger than 28% of ZIP codes — room for about 8.2 Central Parks.
🌙 The sky over 95231 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population3,896This ZIP3,896
Households538This ZIP538
Housing units647This ZIP647
Median age35.5This ZIP35.5California37.9US 38.9
Median household income$90,417This ZIP$90,417California$99,122US $80,734
Median home value$455,400This ZIP$455,400California$734,700US $332,700
Median gross rent$2,056This ZIP$2,056California$2,036US $1,413
Bachelor's degree or higher6.1%This ZIP6.1%
Mean commute23.8 minThis ZIP23.8 min
Population density361.9 / sq miThis ZIP361.9 / sq mi

Business and tax activity

Business establishments92This ZIP92
Employees5,235This ZIP5,235
Annual payroll$349,511,000This ZIP$349,511,000
Tax returns filed1,690This ZIP1,690
Total adjusted gross income$94,568,000This ZIP$94,568,000

Land area

Land area10.76 sq miThis ZIP10.76 sq mi
Water area0.07 sq miThis ZIP0.07 sq mi

Other place names in 95231

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 95231

ZIPCityDistance
95214 Stockton, CA 4.1 mi
95213 Stockton, CA 4.3 mi
95330 Lathrop, CA 4.4 mi
95336 Manteca, CA 5.7 mi
95296 Stockton, CA 5.8 mi
95201 Stockton, CA 5.8 mi
95202 Stockton, CA 5.9 mi
95203 Stockton, CA 6.0 mi
95206 Stockton, CA 6.2 mi
95205 Stockton, CA 6.5 mi

Find every ZIP code within 10 miles of 95231 →

Questions about this ZIP code

Where is ZIP code 95231?

95231 is in French Camp, California, in San Joaquin County, part of the Stockton-Lodi, CA metropolitan area. Its published point location is 37.8738, -121.2901.

What county is 95231 in?

95231 lies in San Joaquin County.

What area code is 95231?

French Camp uses area codes 209 and 350, from NANPA's telephone records.

What time zone is 95231 in?

95231 uses America/Los_Angeles.

How many people live in 95231?

About 3,896 people live in ZIP code 95231, in 538 households, at 361.9 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 95231?

$90,417 a year, against $99,122 across California.

What ZIP codes are near 95231?

The closest are 95214 (4.1 mi), 95213 (4.3 mi), 95330 (4.4 mi), 95336 (5.7 mi) and 95296 (5.8 mi).

Is 95231 a PO Box ZIP code?

95231 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “95231 ZIP Code — French Camp, California (San Joaquin County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/95231

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/95231.json

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