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ZIP Code 57266 – Summit, SD

Summit, South Dakota · Grant County · Central time

ZIP code57266
CitySummit
StateSouth Dakota
CountyGrant CountyRoberts County
Area code605
Population626
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area127.26 sq mi
Center (lat, long)45.2898, -97.0927

Map

Nearby ZIP codes

57256 Ortley · 5.8 mi57251 Marvin · 7.7 mi57273 Waubay · 9.3 mi57263 South Shore · 11.1 mi57279 Wilmot · 13.9 mi57257 Peever · 14.6 mi57269 Twin Brooks · 14.9 mi57264 Stockholm · 18.6 mi

About ZIP 57266

ZIP code 57266 is assigned to Summit, South Dakota. It crosses 2 counties; most of its land is in Grant County. Its Census area covers about 127.26 square miles of land. The closest neighboring ZIP is 57256 (Ortley), about 5.8 miles away.

Every address in 57266 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