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/94089

94089

ZIP 94089 is in Sunnyvale, California, in Santa Clara County; area codes 408 and 669; Pacific time. Sunnyvale has 5 ZIP codes; the others are 94085, 94086, 94087 and 94088.

Type
Standard
Time zone
America/Los_Angeles
County
Santa Clara
Population
22,699
Coordinates
37.4124, -122.0156
☼ Live from 94089 — Sunnyvale, CA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 94089 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 94089
  • 🔢 Type 94089 into a pocket calculator and turn it upside down: GBOhG — not quite a word, sorry.
  • ➕ As a number, 94,089 = 3 × 79 × 397. Its digits add up to 30, a total 1,024 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110111110001001
  • 🏠 Its numerical neighbours: 94088 (Sunnyvale, CA, 3 mi away) and 94102 (San Francisco, CA, 34 mi away).
  • 🔄 Backwards, 94089 becomes 98049, which is not a ZIP code at all.
  • 👥 16 other ZIP codes are made of exactly the same digits (04989, 09498, 09894, 48099, 48909, 49089, …). The farthest-flung twin is 09894 in APO AE, a military post office, 8,084 miles away.
  • 🧭 Farther south than 62% of all ZIP codes, and farther west than 96%.
  • 🎯1,272 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 94089 and you would come out at 37.41°S, 57.98°E — 1,026 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 35m.
  • 📏 At 6.1 square miles of land, 94089 is bigger than 21% of ZIP codes — room for about 4.6 Central Parks.
🌙 The sky over 94089 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population22,699This ZIP22,699
Households9,218This ZIP9,218
Housing units9,521This ZIP9,521
Median age37.0This ZIP37.0California37.9US 38.9
Median household income$158,304This ZIP$158,304California$99,122US $80,734
Median home value$387,800This ZIP$387,800California$734,700US $332,700
Median gross rent$3,162This ZIP$3,162California$2,036US $1,413
Bachelor's degree or higher57.6%This ZIP57.6%
Mean commute22.4 minThis ZIP22.4 min
Population density3,730.3 / sq miThis ZIP3,730.3 / sq mi

Business and tax activity

Business establishments539This ZIP539
Employees44,041This ZIP44,041
Annual payroll$15,492,445,000This ZIP$15,492,445,000
Tax returns filed11,990This ZIP11,990
Total adjusted gross income$1,752,499,000This ZIP$1,752,499,000

Land area

Land area6.09 sq miThis ZIP6.09 sq mi
Water area0.00 sq miThis ZIP0.00 sq mi

Other place names in 94089

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

ZIP codes near 94089

ZIPCityDistance
94085 Sunnyvale, CA 1.6 mi
95002 Alviso, CA 1.8 mi
94086 Sunnyvale, CA 2.8 mi
94043 Mountain View, CA 2.9 mi
95054 Santa Clara, CA 3.1 mi
95056 Santa Clara, CA 3.1 mi
94088 Sunnyvale, CA 3.2 mi
94041 Mountain View, CA 3.7 mi
95134 San Jose, CA 4.0 mi
94035 Mountain View, CA 4.2 mi

Find every ZIP code within 10 miles of 94089 →

Questions about this ZIP code

Where is ZIP code 94089?

94089 is in Sunnyvale, California, in Santa Clara County, part of the San Jose-Sunnyvale-Santa Clara, CA metropolitan area. Its published point location is 37.4124, -122.0156.

What county is 94089 in?

94089 lies in Santa Clara County.

What area code is 94089?

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

What time zone is 94089 in?

94089 uses America/Los_Angeles.

How many people live in 94089?

About 22,699 people live in ZIP code 94089, in 9,218 households, at 3,730.3 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 94089?

$158,304 a year, against $99,122 across California.

What ZIP codes are near 94089?

The closest are 94085 (1.6 mi), 95002 (1.8 mi), 94086 (2.8 mi), 94043 (2.9 mi) and 95054 (3.1 mi).

Is 94089 a PO Box ZIP code?

94089 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “94089 ZIP Code — Sunnyvale, California (Santa Clara County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/94089

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/94089.json

Underlying data is public domain or openly licensed — sources, vintages and licences.