Reference Data
Rate Center Directory
NISLAND, SD Rate Center

NISLAND — SD

Data last updated: October 30, 2026

LATA
640
State
SD
Area Codes
1
Exchanges (NXX)
1
Carriers
1
Coordinates
44.67330465351852, -103.5527031957596

Area Codes

605

Top Carriers

CarrierOCNNXX Count
WEST RIVER COOPERATIVE TELEPHONE COMPANY16891