Reference Data
Rate Center Directory
HARTFORD, SD Rate Center

HARTFORD — SD

Data last updated: March 10, 2026

LATA
640
State
SD
Area Codes
1
Exchanges (NXX)
2
Carriers
2
Coordinates
43.62273173090608, -96.94328641786383

Area Codes

605

Top Carriers

Carrier OCN NXX Count
UNION TEL. CO. DBA GOLDEN WEST TELECOMMUNICATIONS 1684 1
AERIAL COMMUNICATIONS, INC. 6701 1