There is one unique ZIP code in Fairfield, Washington and it is 99012. Area code: 509.
1
ZIP codes
93.57
sq mi land
0.00
sq mi water
509
area code
Fairfield, WA ZIP code map
About Fairfield, WA
Fairfield is a small, charming community located in Spokane County in the eastern part of Washington State. Served by a single ZIP code — 99012 — this rural town embodies the quiet, agricultural character of the Palouse region. Residents and visitors alike appreciate Fairfield's small-town atmosphere, friendly community spirit, and its setting amid the rolling wheat fields of eastern Washington.
Location & geography
Fairfield sits in the heart of eastern Washington's Palouse country, roughly 25 miles south of Spokane and about 20 miles northwest of Rosalia. The city covers a land area of exactly 93.57 square miles and has no water area whatsoever, reflecting the dry, dryland-farming landscape of the surrounding region. The terrain is characterized by the gently rolling hills and fertile loess soils that make the Palouse one of the most productive wheat-growing regions in the world.
Community & economy
Fairfield is a tight-knit rural community where agriculture — particularly wheat and other grain farming — forms the backbone of the local economy and daily life. Small businesses, a community school district, and local churches anchor daily life for residents who value the slower pace and strong neighborly bonds that define small-town eastern Washington. The surrounding Palouse countryside also attracts those who enjoy outdoor recreation such as hiking, cycling, and wildlife watching in the open, scenic landscape.
Transportation
Fairfield is primarily accessed via State Route 27, which runs through the area connecting it northward toward Spokane and southward through the Palouse region. The nearest major airport is Spokane International Airport, located approximately 30 miles to the north, providing residents with access to regional and national air travel. Personal vehicles are the dominant mode of transportation in Fairfield, as public transit options are limited in this rural setting.
History
Fairfield was established in the late 19th century as settlers moved into the Palouse region attracted by its extraordinarily fertile soils and the promise of productive wheat farming. The arrival of railroad lines in eastern Washington during that era helped small agricultural towns like Fairfield grow as shipping and trade centers for surrounding farms. Over the decades, Fairfield has retained its agricultural identity, remaining a stable and close community deeply rooted in the farming traditions of the Palouse.
Did you know?
Despite its modest size, Fairfield sits at the edge of one of the most productive dryland wheat-farming regions on Earth, the Palouse, which produces a significant portion of the soft white wheat exported from the United States. The city's complete absence of any water area — 0.00 square miles — is a testament to the dry, inland character of this corner of eastern Washington, far removed from the rivers and lakes that define other parts of the state.