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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/94506

94506

ZIP 94506 is in Danville, California, in Contra Costa County; area code 925; Pacific time. Danville has 2 ZIP codes; the other is 94526.

Type
Standard
Time zone
America/Los_Angeles
County
Contra Costa
Population
27,055
Coordinates
37.8064, -121.9024
☼ Live from 94506 — Danville, CA

Weather right now

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Local time: —

Where 94506 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 94506
  • 🔢 Type 94506 into a pocket calculator and turn it upside down: gOShG — not quite a word, sorry.
  • ➕ As a number, 94,506 = 2 × 3 × 19 × 829. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111000100101010
  • 🏠 Its numerical neighbours: 94505 (Discovery Bay, CA, 17 mi away) and 94507 (Alamo, CA, 7 mi away).
  • 🔄 Backwards, 94506 becomes 60549 — and that is a real ZIP code: Serena, IL, 1,771 miles away.
  • 👥 47 other ZIP codes are made of exactly the same digits (04956, 04965, 05469, 05649, 06459, 06495, …). The farthest-flung twin is 96450 in FPO AA, a military post office, 7,016 miles away.
  • 🧭 Farther south than 59% of all ZIP codes, and farther west than 95%.
  • 🎯1,260 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 94506 and you would come out at 37.81°S, 58.10°E — 999 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 47m of daylight. Shortest: 9h 32m.
  • 📏 At 18.7 square miles of land, 94506 is bigger than 36% of ZIP codes — room for about 14 Central Parks.
🌙 The sky over 94506 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population27,055This ZIP27,055
Households9,185This ZIP9,185
Housing units9,444This ZIP9,444
Median age45.3This ZIP45.3California37.9US 38.9
Median household income$250,000+This ZIP$250,000+California$99,122US $80,734
Median home value$1,956,800This ZIP$1,956,800California$734,700US $332,700
Median gross rent$3,500+This ZIP$3,500+California$2,036US $1,413
Bachelor's degree or higher75.0%This ZIP75.0%
Mean commute38.3 minThis ZIP38.3 min
Population density1,450.2 / sq miThis ZIP1,450.2 / sq mi

Business and tax activity

Business establishments511This ZIP511
Employees3,616This ZIP3,616
Annual payroll$241,487,000This ZIP$241,487,000
Tax returns filed11,110This ZIP11,110
Total adjusted gross income$3,859,045,000This ZIP$3,859,045,000

Land area

Land area18.66 sq miThis ZIP18.66 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Other place names in 94506

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

ZIP codes near 94506

ZIPCityDistance
94588 Pleasanton, CA 2.4 mi
94582 San Ramon, CA 2.9 mi
94570 Moraga, CA 3.5 mi
94528 Diablo, CA 3.9 mi
94526 Danville, CA 4.5 mi
94583 San Ramon, CA 5.3 mi
94517 Clayton, CA 5.9 mi
94568 Dublin, CA 6.3 mi
94507 Alamo, CA 6.6 mi
94537 Fremont, CA 8.8 mi

Find every ZIP code within 10 miles of 94506 →

Questions about this ZIP code

Where is ZIP code 94506?

94506 is in Danville, California, in Contra Costa County, part of the San Francisco-Oakland-Fremont, CA metropolitan area. Its published point location is 37.8064, -121.9024.

What county is 94506 in?

94506 lies in Contra Costa County.

What area code is 94506?

Danville uses area code 925, from NANPA's telephone records.

What time zone is 94506 in?

94506 uses America/Los_Angeles.

How many people live in 94506?

About 27,055 people live in ZIP code 94506, in 9,185 households, at 1,450.2 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 94506?

$250,000+ a year, against $99,122 across California.

What ZIP codes are near 94506?

The closest are 94588 (2.4 mi), 94582 (2.9 mi), 94570 (3.5 mi), 94528 (3.9 mi) and 94526 (4.5 mi).

Is 94506 a PO Box ZIP code?

94506 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “94506 ZIP Code — Danville, California (Contra Costa County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/94506

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