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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/95306

95306

ZIP 95306 is Catheys Valley, California, in Mariposa County; area code 209; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Mariposa
Metro area
none
Population
939
Coordinates
37.3629, -120.1194
☼ Live from 95306 — Catheys Valley, CA

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Where 95306 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 95306
  • 🔢 Type 95306 into a pocket calculator and turn it upside down: gOESG — not quite a word, sorry.
  • ➕ As a number, 95,306 = 2 × 47653. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111010001001010
  • 🏠 Its numerical neighbours: 95305 (Big Oak Flat, CA, 34 mi away) and 95307 (Ceres, CA, 48 mi away).
  • 🔄 Backwards, 95306 becomes 60359, which is not a ZIP code at all.
  • 👥 37 other ZIP codes are made of exactly the same digits (06359, 35096, 35609, 35906, 35960, 36509, …). The farthest-flung twin is 96350 in FPO AA, a military post office, 5,277 miles away.
  • 🧭 Farther south than 62% of all ZIP codes, and farther west than 93%.
  • 🎯1,173 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 95306 and you would come out at 37.36°S, 59.88°E — 976 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 44m of daylight. Shortest: 9h 35m.
  • 📏 At 166.5 square miles of land, 95306 is bigger than 88% of ZIP codes — room for about 126 Central Parks.
🌙 The sky over 95306 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population939This ZIP939
Households460This ZIP460
Housing units518This ZIP518
Median age60.7This ZIP60.7California37.9US 38.9
Median household income$81,302This ZIP$81,302California$99,122US $80,734
Median home value$400,000This ZIP$400,000California$734,700US $332,700
Bachelor's degree or higher38.6%This ZIP38.6%
Mean commute27.4 minThis ZIP27.4 min
Population density5.6 / sq miThis ZIP5.6 / sq mi

Business and tax activity

Business establishments16This ZIP16
Employees75This ZIP75
Annual payroll$3,736,000This ZIP$3,736,000
Tax returns filed390This ZIP390
Total adjusted gross income$34,777,000This ZIP$34,777,000

Land area

Land area166.49 sq miThis ZIP166.49 sq mi
Water area1.36 sq miThis ZIP1.36 sq mi

Other place names in 95306

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

ZIP codes near 95306

ZIPCityDistance
95333 Le Grand, CA 10.6 mi
95325 Hornitos, CA 10.7 mi
95365 Planada, CA 12.4 mi
95338 Mariposa, CA 12.4 mi
93653 Raymond, CA 13.7 mi
95340 Merced, CA 15.8 mi
95345 Midpines, CA 17.9 mi
95369 Snelling, CA 19.2 mi
95343 Merced, CA 20.2 mi
95344 Merced, CA 20.2 mi

Find every ZIP code within 10 miles of 95306 →

Questions about this ZIP code

Where is ZIP code 95306?

95306 is in Catheys Valley, California, in Mariposa County. Its published point location is 37.3629, -120.1194.

What county is 95306 in?

95306 lies in Mariposa County.

What area code is 95306?

Catheys Valley uses area code 209, from NANPA's telephone records.

What time zone is 95306 in?

95306 uses America/Los_Angeles.

How many people live in 95306?

About 939 people live in ZIP code 95306, in 460 households, at 5.6 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 95306?

$81,302 a year, against $99,122 across California.

What ZIP codes are near 95306?

The closest are 95333 (10.6 mi), 95325 (10.7 mi), 95365 (12.4 mi), 95338 (12.4 mi) and 93653 (13.7 mi).

Is 95306 a PO Box ZIP code?

95306 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “95306 ZIP Code — Catheys Valley, California (Mariposa County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/95306

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