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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/99012

99012

ZIP 99012 is Fairfield, Washington, in Spokane County; area code 509; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Spokane
Population
1,167
Coordinates
47.3813, -117.1913
☼ Live from 99012 — Fairfield, WA

Weather right now

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NEXRAD radar
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Local time: —

Where 99012 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 99012
  • 🔢 Type 99012 into a pocket calculator and turn it upside down: ZIOGG — not quite a word, sorry.
  • ➕ As a number, 99,012 = 2 × 2 × 3 × 37 × 223. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000001011000100
  • 🏠 Its numerical neighbours: 99011 (Fairchild Air Force Base, WA, 27 mi away) and 99013 (Ford, WA, 46 mi away).
  • 🔄 Backwards, 99012 becomes 21099, which is not a ZIP code at all.
  • 👥 21 other ZIP codes are made of exactly the same digits (01929, 02199, 02919, 09192, 10992, 19029, …). The farthest-flung twin is 09192 in APO AE, a military post office, 4,960 miles away.
  • 🧭 Farther north than 96% of all ZIP codes, and farther west than 90%.
  • 🎯1,064 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 99012 and you would come out at 47.38°S, 62.81°E — 366 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 57m of daylight. Shortest: 8h 27m.
  • 📏 At 93.6 square miles of land, 99012 is bigger than 76% of ZIP codes — room for about 71 Central Parks.
🌙 The sky over 99012 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,167This ZIP1,167
Households354This ZIP354
Housing units385This ZIP385
Median age37.8This ZIP37.8Washington38.3US 38.9
Median household income$88,571This ZIP$88,571Washington$98,141US $80,734
Median home value$333,700This ZIP$333,700Washington$564,600US $332,700
Median gross rent$1,107This ZIP$1,107Washington$1,760US $1,413
Bachelor's degree or higher22.1%This ZIP22.1%
Mean commute36.2 minThis ZIP36.2 min
Population density12.5 / sq miThis ZIP12.5 / sq mi

Business and tax activity

Business establishments13This ZIP13
Employees117This ZIP117
Annual payroll$5,717,000This ZIP$5,717,000
Tax returns filed440This ZIP440
Total adjusted gross income$31,860,000This ZIP$31,860,000

Land area

Land area93.57 sq miThis ZIP93.57 sq mi
Water area0.00 sq mi

Other place names in 99012

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

ZIP codes near 99012

ZIPCityDistance
99039 Waverly, WA 3.5 mi
99018 Latah, WA 6.5 mi
99031 Spangle, WA 6.9 mi
99030 Rockford, WA 7.6 mi
99036 Valleyford, WA 10.3 mi
99033 Tekoa, WA 11.3 mi
83876 Worley, ID 12.4 mi
99023 Mica, WA 12.9 mi
99170 Rosalia, WA 13.1 mi
83851 Plummer, ID 14.9 mi

Find every ZIP code within 10 miles of 99012 →

Questions about this ZIP code

Where is ZIP code 99012?

99012 is in Fairfield, Washington, in Spokane County, part of the Spokane-Spokane Valley, WA metropolitan area. Its published point location is 47.3813, -117.1913.

What county is 99012 in?

99012 lies in Spokane County.

What area code is 99012?

Fairfield uses area code 509, from NANPA's telephone records.

What time zone is 99012 in?

99012 uses America/Los_Angeles.

How many people live in 99012?

About 1,167 people live in ZIP code 99012, in 354 households, at 12.5 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 99012?

$88,571 a year, against $98,141 across Washington.

What ZIP codes are near 99012?

The closest are 99039 (3.5 mi), 99018 (6.5 mi), 99031 (6.9 mi), 99030 (7.6 mi) and 99036 (10.3 mi).

Is 99012 a PO Box ZIP code?

99012 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “99012 ZIP Code — Fairfield, Washington (Spokane County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99012

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