ZIP Code 57061
Sinai, South Dakota · Brookings County
No25260
Zip57061
TypePO BOX
Decommissioned0
Primary CitySinai
Acceptable Cities—
Unacceptable CitiesLake Sinai
StateSD
LstateSouth Dakota
CountyBrookings County
TimezoneAmerica/Chicago
Area Codes605
World RegionNA
CountryUS
Latitude44,24
Longitude-97,04