Find the last 4 digits (ZIP+4) for an address in 99110

ZIP 99110, Clayton, WA is filled in. Just type the street address.

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ZIP Code 99110 – Clayton, WA

Clayton, Washington · Stevens County · Pacific time

ZIP code99110
CityClayton
StateWashington
CountyStevens CountySpokane County
Population1,505
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area38.62 sq mi
Center (lat, long)48.0083, -117.5811

Area codes in this area

509

These are the area codes that most often serve ZIP 99110 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

99006 Deer Park · 5.2 mi99148 Loon Lake · 6.8 mi99034 Tumtum · 11.9 mi99181 Valley · 12.7 mi99173 Springdale · 13 mi99026 Nine Mile Falls · 14.5 mi99013 Ford · 14.7 mi99005 Colbert · 15.1 mi

About ZIP 99110

ZIP code 99110 is assigned to Clayton, Washington. It crosses 2 counties; most of its land is in Stevens County. Its Census area covers about 38.62 square miles of land. The closest neighboring ZIP is 99006 (Deer Park), about 5.2 miles away.

Every address in 99110 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources