Find the last 4 digits (ZIP+4) for an address in 99140

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ZIP Code 99140 – Keller, WA

Keller, Washington · Ferry County · Pacific time

ZIP code99140
CityKeller
StateWashington
CountyFerry County
Population486
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area443.11 sq mi
Center (lat, long)48.1114, -118.6462

Area codes in this area

509

These are the area codes that most often serve ZIP 99140 (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

99138 Inchelium · 14.4 mi99116 Coulee Dam · 14.9 mi99124 Elmer City · 16.1 mi99147 Lincoln · 19.4 mi99155 Nespelem · 21.6 mi99129 Fruitland · 23.6 mi99133 Grand Coulee · 23.6 mi99123 Electric City · 24.4 mi

About ZIP 99140

ZIP code 99140 is assigned to Keller, Washington. It lies in Ferry County. Its Census area covers about 443.11 square miles of land. The closest neighboring ZIP is 99138 (Inchelium), about 14.4 miles away.

Every address in 99140 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