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zipcodes.pro — ZIP/99011

99011

ZIP 99011 is Fairchild Air Force Base, Washington, in Spokane County; area code 509; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Spokane
Population
2,931
Coordinates
47.6187, -117.6484
☼ Live from 99011 — Fairchild Air Force Base, WA

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Local time: —

Where 99011 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 99011
  • 🔢 Type 99011 into a pocket calculator and turn it upside down: IIOGG — not quite a word, sorry.
  • ➕ As a number, 99,011 = 11 × 9001. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000001011000011
  • 🏠 Its numerical neighbours: 99009 (Elk, WA, 34 mi away) and 99012 (Fairfield, WA, 27 mi away).
  • 🔄 Backwards, 99011 becomes 11099, which is not a ZIP code at all.
  • 👥 13 other ZIP codes are made of exactly the same digits (01199, 10199, 10919, 19019, 19091, 19109, …). The farthest-flung twin is 01199 in Springfield, MA, 2,206 miles away.
  • 🧭 Farther north than 97% of all ZIP codes, and farther west than 90%.
  • 🎯1,090 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 99011 and you would come out at 47.62°S, 62.35°E — 379 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 59m of daylight. Shortest: 8h 25m.
  • 📏 At 6.6 square miles of land, 99011 is bigger than 22% of ZIP codes — room for about 5.0 Central Parks.
🌙 The sky over 99011 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,931This ZIP2,931
Households750This ZIP750
Housing units815This ZIP815
Median age22.6This ZIP22.6Washington38.3US 38.9
Median household income$69,917This ZIP$69,917Washington$98,141US $80,734
Median gross rent$1,808This ZIP$1,808Washington$1,760US $1,413
Bachelor's degree or higher39.8%This ZIP39.8%
Mean commute9.7 minThis ZIP9.7 min
Population density442.7 / sq miThis ZIP442.7 / sq mi

Business and tax activity

Business establishments25This ZIP25
Employees289This ZIP289
Annual payroll$16,031,000This ZIP$16,031,000
Tax returns filed930This ZIP930
Total adjusted gross income$47,498,000This ZIP$47,498,000

Land area

Land area6.62 sq miThis ZIP6.62 sq mi
Water area0.00 sq mi

Other place names in 99011

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

ZIP codes near 99011

ZIPCityDistance
99022 Medical Lake, WA 3.1 mi
99001 Airway Heights, WA 3.2 mi
99014 Four Lakes, WA 4.6 mi
99224 Spokane, WA 5.7 mi
99020 Marshall, WA 8.0 mi
99201 Spokane, WA 10.3 mi
99210 Spokane, WA 10.4 mi
99211 Spokane, WA 10.4 mi
99214 Spokane, WA 10.4 mi
99215 Spokane, WA 10.4 mi

Find every ZIP code within 10 miles of 99011 →

Questions about this ZIP code

Where is ZIP code 99011?

99011 is in Fairchild Air Force Base, Washington, in Spokane County, part of the Spokane-Spokane Valley, WA metropolitan area. Its published point location is 47.6187, -117.6484.

What county is 99011 in?

99011 lies in Spokane County.

What area code is 99011?

Fairchild Air Force Base uses area code 509, from NANPA's telephone records.

What time zone is 99011 in?

99011 uses America/Los_Angeles.

How many people live in 99011?

About 2,931 people live in ZIP code 99011, in 750 households, at 442.7 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 99011?

$69,917 a year, against $98,141 across Washington.

What ZIP codes are near 99011?

The closest are 99022 (3.1 mi), 99001 (3.2 mi), 99014 (4.6 mi), 99224 (5.7 mi) and 99020 (8 mi).

Is 99011 a PO Box ZIP code?

99011 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “99011 ZIP Code — Fairchild Air Force Base, Washington (Spokane County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99011

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