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ZIP Code 57481 – Westport, SD

Westport, South Dakota · Brown County · Central time

ZIP code57481
CityWestport
StateSouth Dakota
CountyBrown CountyMcPherson CountyEdmunds County
Area code605
Population271
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area188.49 sq mi
Center (lat, long)45.6626, -98.6830

Map

Nearby ZIP codes

57426 Barnard · 10.4 mi57441 Frederick · 13.9 mi57401 Aberdeen · 14.4 mi57456 Leola · 15.8 mi57402 Aberdeen · 16.7 mi57433 Columbia · 17.5 mi57451 Ipswich · 19.7 mi57427 Bath · 21.6 mi

About ZIP 57481

ZIP code 57481 is assigned to Westport, South Dakota. It crosses 3 counties; most of its land is in Brown County. Its Census area covers about 188.49 square miles of land. The closest neighboring ZIP is 57426 (Barnard), about 10.4 miles away.

Every address in 57481 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