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/94497

94497

ZIP 94497 is in San Mateo, California, in San Mateo County; area code 650; Pacific time. San Mateo has 5 ZIP codes; the others are 94401, 94402, 94403 and 94404.

Type
No street area
Time zone
America/Los_Angeles
County
San Mateo
Coordinates
37.5347, -122.3259

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 94403, whose figures describe that area — not this ZIP code.

☼ Live from 94497 — San Mateo, CA

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Where 94497 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 94497
  • 🔢 Type 94497 into a pocket calculator and turn it upside down: LGhhG — not quite a word, sorry.
  • ➕ As a number, 94,497 = 3 × 13 × 2423. Its digits add up to 33, a total 456 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111000100100001
  • 🏠 Its numerical neighbours: 94404 (San Mateo, CA, 4 mi away) and 94501 (Alameda, CA, 17 mi away).
  • 🔄 Backwards, 94497 becomes 79449, which is not a ZIP code at all.
  • 👥 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, 2,186 miles away.
  • 🧭 Farther south than 61% of all ZIP codes, and farther west than 96%.
  • 🎯1,287 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 94497 and you would come out at 37.53°S, 57.67°E — 1,028 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 45m of daylight. Shortest: 9h 34m.
🌙 The sky over 94497 today
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Source: USGS.

Business and tax activity

Business establishments6This ZIP6
Employees48This ZIP48
Annual payroll$3,698,000This ZIP$3,698,000

Land area

ZIP codes near 94497

ZIPCityDistance
94402 San Mateo, CA 0.4 mi
94403 San Mateo, CA 1.2 mi
94002 Belmont, CA 2.2 mi
94401 San Mateo, CA 2.8 mi
94404 San Mateo, CA 3.5 mi
94010 Burlingame, CA 3.7 mi
94070 San Carlos, CA 3.9 mi
94011 Burlingame, CA 4.1 mi
94065 Redwood City, CA 4.2 mi
94030 Millbrae, CA 6.2 mi

Find every ZIP code within 10 miles of 94497 →

Questions about this ZIP code

Where is ZIP code 94497?

94497 is in San Mateo, California, in San Mateo County, part of the San Francisco-Oakland-Fremont, CA metropolitan area. Its published point location is 37.5347, -122.3259.

What county is 94497 in?

94497 lies in San Mateo County.

What area code is 94497?

San Mateo uses area code 650, from NANPA's telephone records.

What time zone is 94497 in?

94497 uses America/Los_Angeles.

What ZIP codes are near 94497?

The closest are 94402 (0.4 mi), 94403 (1.2 mi), 94002 (2.2 mi), 94401 (2.8 mi) and 94404 (3.5 mi).

Is 94497 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. “94497 ZIP Code — San Mateo, California (San Mateo County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/94497

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/94497.json

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