Find the last 4 digits (ZIP+4) for an address in 98121

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ZIP Code 98121 – Seattle, WA

Seattle, Washington · King County · Pacific time

ZIP code98121
CitySeattle
StateWashington
CountyKing County
Population21,166
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area0.44 sq mi
Center (lat, long)47.6152, -122.3506

Area codes in this area

206425

These are the area codes that most often serve ZIP 98121 (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

98141 Seattle · 0.3 mi98101 Seattle · 0.7 mi98170 Seattle · 1 mi98154 Seattle · 1 mi98174 Seattle · 1 mi98111 Seattle · 1.1 mi98114 Seattle · 1.1 mi98124 Seattle · 1.1 mi

About ZIP 98121

ZIP code 98121 is assigned to Seattle, Washington. It lies in King County. Its Census area covers about 0.44 square miles of land. The closest neighboring ZIP is 98141 (Seattle), about 0.3 miles away.

Every address in 98121 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