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ZIP Code 57451 – Ipswich, SD

Ipswich, South Dakota · Edmunds County · Central time

ZIP code57451
CityIpswich
StateSouth Dakota
CountyEdmunds CountyBrown County
Area code605
Population2,485
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area430.24 sq mi
Center (lat, long)45.4378, -98.9365

Map

Nearby ZIP codes

57460 Mansfield · 16.9 mi57471 Roscoe · 18.6 mi57435 Cresbard · 19.6 mi57456 Leola · 19.8 mi57481 Westport · 19.8 mi57401 Aberdeen · 19.8 mi57465 Northville · 23.7 mi57479 Warner · 25.8 mi

About ZIP 57451

ZIP code 57451 is assigned to Ipswich, South Dakota. It crosses 2 counties; most of its land is in Edmunds County. Its Census area covers about 430.24 square miles of land. The closest neighboring ZIP is 57460 (Mansfield), about 16.9 miles away.

Every address in 57451 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