Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — CITY/WA/FAIRFIELD

Fairfield ZIP code, Washington

The ZIP code for Fairfield, WA is 99012, and its area code is 509.

USPS city name
1 ZIP code
Population
621
Area code
509

NANPA lists no telephone rate centre for Fairfield itself, so these are the area codes of the nearest one, Spangle (6.9 miles). A town on an area-code boundary can differ from its neighbour.

Fairfield in numbers

About 621 people live in Fairfield, in 198 households. The median household income is $81,923 a year, 17% below the Washington median of $98,141 (US: $80,734). The median owner-occupied home is valued at $249,100 (56% below the Washington median), and median gross rent is $1,172 a month. The median age is 40.7; 23.5% of adults 25 and over hold a bachelor's degree or higher (39.6% across Washington); the average commute takes 40 minutes.

Population621Fairfield621
Households198Fairfield198
Median age40.7Fairfield40.7Washington38.3US 38.9
Median household income$81,923Fairfield$81,923Washington$98,141US $80,734
Median home value$249,100Fairfield$249,100Washington$564,600US $332,700
Median gross rent$1,172Fairfield$1,172Washington$1,760US $1,413
Bachelor's degree or higher23.5%Fairfield23.5%Washington39.6%US 35.7%
Mean commute39.7 minFairfield39.7 minWashington26.6 minUS 26.4 min
Population density1,008 / sq miFairfield1,008 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Fairfield town. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Fairfield

ZIP codes with the USPS city name Fairfield
ZIP City Type Population Median income Median home
99012 Fairfield , WA Standard 1,167 $88,571 $333,700

Map of Fairfield ZIP codes

99012

The ZIP codes of Fairfield, WA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Fairfield

The nearest larger towns are Tekoa (690 people, 12 mi), Plummer, ID (1,162 people, 14 mi) and Spokane Valley (106,365 people, 19 mi).

Towns near Fairfield
TownPopulationDistance
Spokane Valley 106,365 19.4 mi
Liberty Lake 12,737 19.9 mi
Cheney 12,804 20.4 mi
Otis Orchards-East Farms 5,454 22.5 mi
Spokane 230,293 22.9 mi
Post Falls, ID 43,391 25.9 mi
Airway Heights 11,245 26.1 mi
Town and Country 4,890 26.4 mi
Medical Lake 4,950 27.3 mi
Fairchild AFB 2,931 27.4 mi
Country Homes 6,198 27.6 mi
Coeur d'Alene, ID 56,447 28.2 mi
Mead 6,893 28.5 mi
St. Maries, ID 2,915 28.6 mi

More nearby: every ZIP code in Spokane County · Washington ZIP codes

Cite this page

zipcodes.pro. “Fairfield, WA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wa/fairfield

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