SOUTH DAKOTA
Area Code
Ratecenter
Tier
605
ABERDEEN
3
605
BELLEFORCH
3
605
MITCHELL
3
605
NOSIOUX CY
3
605
PIERRE
3
605
RAPID CITY
2
605
SIOUX FLS
2
605
SPEARFISH
3
605
STURGIS
3
605
WATERTOWN
3
605
WHITEWOOD
3
605
YANKTON
3