Find the last 4 digits (ZIP+4) for an address in 99115

ZIP 99115, Coulee City, WA is filled in. Just type the street address.

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ZIP Code 99115 – Coulee City, WA

Coulee City, Washington · Douglas County · Pacific time

ZIP code99115
CityCoulee City
StateWashington
CountyDouglas CountyGrant County
Population1,369
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area420.01 sq mi
Center (lat, long)47.6741, -119.3777

Area codes in this area

509

These are the area codes that most often serve ZIP 99115 (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

99135 Hartline · 13.3 mi98853 Stratford · 15 mi98830 Mansfield · 16 mi98851 Soap Lake · 18.1 mi98860 Wilson Creek · 18.9 mi99123 Electric City · 21 mi99103 Almira · 21.5 mi98858 Waterville · 23.7 mi

About ZIP 99115

ZIP code 99115 is assigned to Coulee City, Washington. It crosses 2 counties; most of its land is in Douglas County. Its Census area covers about 420.01 square miles of land. The closest neighboring ZIP is 99135 (Hartline), about 13.3 miles away.

Every address in 99115 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