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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/95123

95123

ZIP 95123 is in San Jose, California, in Santa Clara County; area codes 408 and 669; Pacific time. San Jose has 58 ZIP codes in all.

Type
Standard
Time zone
America/Los_Angeles
County
Santa Clara
Population
69,677
Coordinates
37.2442, -121.8316
☼ Live from 95123 — San Jose, CA

Weather right now

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Local time: —

Where 95123 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 95123
  • 🔢 Type 95123 into a pocket calculator and turn it upside down: EZISG — not quite a word, sorry.
  • ➕ As a number, 95,123 = 7 × 107 × 127. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111001110010011
  • 🏠 Its numerical neighbours: 95122 (San Jose, CA, 6 mi away) and 95124 (San Jose, CA, 5 mi away).
  • 🔄 Backwards, 95123 becomes 32159 — and that is a real ZIP code: Lady Lake, FL, 2,364 miles away.
  • 👥 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, 2,520 miles away.
  • 🧭 Farther south than 63% of all ZIP codes, and farther west than 95%.
  • 🎯1,266 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 95123 and you would come out at 37.24°S, 58.17°E — 1,030 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 36m.
  • 📏 At 7.8 square miles of land, 95123 is bigger than 24% of ZIP codes — room for about 5.9 Central Parks.
🌙 The sky over 95123 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population69,677This ZIP69,677
Households24,377This ZIP24,377
Housing units25,037This ZIP25,037
Median age38.0This ZIP38.0California37.9US 38.9
Median household income$144,276This ZIP$144,276California$99,122US $80,734
Median home value$1,166,800This ZIP$1,166,800California$734,700US $332,700
Median gross rent$2,976This ZIP$2,976California$2,036US $1,413
Bachelor's degree or higher45.8%This ZIP45.8%
Mean commute28.4 minThis ZIP28.4 min
Population density8,907.8 / sq miThis ZIP8,907.8 / sq mi

Business and tax activity

Business establishments1,091This ZIP1,091
Employees11,348This ZIP11,348
Annual payroll$472,379,000This ZIP$472,379,000
Tax returns filed32,330This ZIP32,330
Total adjusted gross income$4,247,590,000This ZIP$4,247,590,000

Land area

Land area7.82 sq miThis ZIP7.82 sq mi
Water area0.05 sq miThis ZIP0.05 sq mi

Other place names in 95123

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

ZIP codes near 95123

ZIPCityDistance
95193 San Jose, CA 0.2 mi
95153 San Jose, CA 0.8 mi
95136 San Jose, CA 2.2 mi
95160 San Jose, CA 2.4 mi
95119 San Jose, CA 2.6 mi
95111 San Jose, CA 2.7 mi
95158 San Jose, CA 2.8 mi
95118 San Jose, CA 3.4 mi
95139 San Jose, CA 4.0 mi
95120 San Jose, CA 4.1 mi

Find every ZIP code within 10 miles of 95123 →

Questions about this ZIP code

Where is ZIP code 95123?

95123 is in San Jose, California, in Santa Clara County, part of the San Jose-Sunnyvale-Santa Clara, CA metropolitan area. Its published point location is 37.2442, -121.8316.

What county is 95123 in?

95123 lies in Santa Clara County.

What area code is 95123?

San Jose uses area codes 408 and 669, from NANPA's telephone records.

What time zone is 95123 in?

95123 uses America/Los_Angeles.

How many people live in 95123?

About 69,677 people live in ZIP code 95123, in 24,377 households, at 8,907.8 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 95123?

$144,276 a year, against $99,122 across California.

What ZIP codes are near 95123?

The closest are 95193 (0.2 mi), 95153 (0.8 mi), 95136 (2.2 mi), 95160 (2.4 mi) and 95119 (2.6 mi).

Is 95123 a PO Box ZIP code?

95123 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “95123 ZIP Code — San Jose, California (Santa Clara County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/95123

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