Reference Data
Rate Center Directory
CLAYTON, IL Rate Center

CLAYTON — IL

Data last updated: June 25, 2026

LATA
376
State
IL
Area Codes
1
Exchanges (NXX)
2
Carriers
2
Coordinates
40.03048697158769, -90.95950930453657

Area Codes

217

Top Carriers

CarrierOCNNXX Count
FRONTIER NORTH, INC. - IL10151
ADAMS TELSYSTEMS, INC.70911