Find the last 4 digits (ZIP+4) for an address in 57521

ZIP 57521, Belvidere, SD is filled in. Just type the street address.

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ZIP Code 57521 – Belvidere, SD

Belvidere, South Dakota · Mellette County · Central time

ZIP code57521
CityBelvidere
StateSouth Dakota
CountyMellette CountyJackson County
Area code605
Population314
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area427.98 sq mi
Center (lat, long)43.7921, -101.1828

Map

Nearby ZIP codes

57562 Okaton · 13.3 mi57543 Kadoka · 17.1 mi57547 Long Valley · 24.1 mi57560 Norris · 24.5 mi57579 White River · 24.6 mi57559 Murdo · 24.8 mi57577 Wanblee · 30 mi57552 Midland · 32.5 mi

About ZIP 57521

ZIP code 57521 is assigned to Belvidere, South Dakota. It crosses 2 counties; most of its land is in Mellette County. Its Census area covers about 427.98 square miles of land. The closest neighboring ZIP is 57562 (Okaton), about 13.3 miles away.

Every address in 57521 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