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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/95140

95140

ZIP 95140 is Mount Hamilton, California, in Santa Clara County; area codes 408 and 669; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Santa Clara
Population
42
Coordinates
37.3515, -121.6409
☼ Live from 95140 — Mount Hamilton, CA

Weather right now

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NEXRAD radar
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Local time: —

Where 95140 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 95140
  • 🔢 Type 95140 into a pocket calculator and turn it upside down: OhISG — not quite a word, sorry.
  • ➕ As a number, 95,140 = 2 × 2 × 5 × 67 × 71. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111001110100100
  • 🏠 Its numerical neighbours: 95139 (San Jose, CA, 11 mi away) and 95141 (San Jose, CA, 14 mi away).
  • 🔄 Backwards, 95140 becomes 04159, which is not a ZIP code at all.
  • 👥 52 other ZIP codes are made of exactly the same digits (01945, 04915, 04951, 05149, 05491, 09154, …). The farthest-flung twin is 09154 in APO AE, a military post office, 5,766 miles away.
  • 🧭 Farther south than 62% of all ZIP codes, and farther west than 95%.
  • 🎯1,254 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 95140 and you would come out at 37.35°S, 58.36°E — 1,018 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 76.8 square miles of land, 95140 is bigger than 71% of ZIP codes — room for about 58 Central Parks.
🌙 The sky over 95140 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population42This ZIP42
Households29This ZIP29
Housing units35This ZIP35
Median age62.1This ZIP62.1California37.9US 38.9
Median household income$163,594This ZIP$163,594California$99,122US $80,734
Bachelor's degree or higher66.7%This ZIP66.7%
Population density0.5 / sq miThis ZIP0.5 / sq mi

Business and tax activity

Business establishments8This ZIP8
Employees68This ZIP68
Annual payroll$3,112,000This ZIP$3,112,000
Tax returns filed200This ZIP200
Total adjusted gross income$31,711,000This ZIP$31,711,000

Land area

Land area76.85 sq miThis ZIP76.85 sq mi
Water area0.05 sq miThis ZIP0.05 sq mi

ZIP codes near 95140

ZIPCityDistance
95148 San Jose, CA 7.8 mi
95127 San Jose, CA 8.1 mi
95132 San Jose, CA 9.3 mi
95138 San Jose, CA 9.4 mi
95121 San Jose, CA 9.8 mi
95151 San Jose, CA 10.4 mi
95122 San Jose, CA 10.8 mi
95013 Coyote, CA 10.9 mi
95135 San Jose, CA 10.9 mi
95156 San Jose, CA 11.0 mi

Find every ZIP code within 10 miles of 95140 →

Questions about this ZIP code

Where is ZIP code 95140?

95140 is in Mount Hamilton, California, in Santa Clara County, part of the San Jose-Sunnyvale-Santa Clara, CA metropolitan area. Its published point location is 37.3515, -121.6409.

What county is 95140 in?

95140 lies in Santa Clara County.

What area code is 95140?

Mount Hamilton uses area codes 408 and 669, from NANPA's telephone records.

What time zone is 95140 in?

95140 uses America/Los_Angeles.

How many people live in 95140?

About 42 people live in ZIP code 95140, in 29 households, at 0.5 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 95140?

$163,594 a year, against $99,122 across California.

What ZIP codes are near 95140?

The closest are 95148 (7.8 mi), 95127 (8.1 mi), 95132 (9.3 mi), 95138 (9.4 mi) and 95121 (9.8 mi).

Is 95140 a PO Box ZIP code?

95140 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “95140 ZIP Code — Mount Hamilton, California (Santa Clara County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/95140

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