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/94974

94974

ZIP 94974 is in San Quentin, California, in Marin County; area codes 415 and 628; Pacific time. San Quentin has 2 ZIP codes; the other is 94964.

Type
No street area
Time zone
America/Los_Angeles
County
Marin
Coordinates
37.9413, -122.4850

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 94964, whose figures describe that area — not this ZIP code.

☼ Live from 94974 — San Quentin, CA

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Where 94974 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 94974
  • 🔢 Type 94974 into a pocket calculator and turn it upside down: hLGhG — not quite a word, sorry.
  • ➕ As a number, 94,974 = 2 × 3 × 11 × 1439. Its digits add up to 33, a total 456 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111001011111110
  • 🏠 Its numerical neighbours: 94973 (Woodacre, CA, 10 mi away) and 94975 (Petaluma, CA, 22 mi away).
  • 🔄 Backwards, 94974 becomes 47949 — and that is a real ZIP code: Hillsboro, IN, 1,891 miles away.
  • 👥 12 other ZIP codes are made of exactly the same digits (44799, 47949, 47994, 49749, 49947, 74949, …). The farthest-flung twin is 44799 in Canton, OH, 2,185 miles away.
  • 🧭 Farther south than 59% of all ZIP codes, and farther west than 97%.
  • 🎯1,288 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 94974 and you would come out at 37.94°S, 57.52°E — 1,009 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 48m of daylight. Shortest: 9h 32m.
🌙 The sky over 94974 today
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Source: USGS.

Land area

ZIP codes near 94974

ZIPCityDistance
94964 San Quentin, CA 0.3 mi
94925 Corte Madera, CA 1.4 mi
94976 Corte Madera, CA 2.6 mi
94939 Larkspur, CA 2.8 mi
94977 Larkspur, CA 2.8 mi
94901 San Rafael, CA 2.9 mi
94912 San Rafael, CA 3.4 mi
94913 San Rafael, CA 3.4 mi
94904 Greenbrae, CA 3.7 mi
94920 Belvedere Tiburon, CA 4.0 mi

Find every ZIP code within 10 miles of 94974 →

Questions about this ZIP code

Where is ZIP code 94974?

94974 is in San Quentin, California, in Marin County, part of the San Francisco-Oakland-Fremont, CA metropolitan area. Its published point location is 37.9413, -122.4850.

What county is 94974 in?

94974 lies in Marin County.

What area code is 94974?

San Quentin uses area codes 415 and 628, from NANPA's telephone records.

What time zone is 94974 in?

94974 uses America/Los_Angeles.

What ZIP codes are near 94974?

The closest are 94964 (0.3 mi), 94925 (1.4 mi), 94976 (2.6 mi), 94939 (2.8 mi) and 94977 (2.8 mi).

Is 94974 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “94974 ZIP Code — San Quentin, California (Marin County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/94974

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/94974.json

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