Reference Data
Rate Center Directory
SHEFFIELD, IL Rate Center

SHEFFIELD — IL

Data last updated: March 10, 2026

LATA
368
State
IL
Area Codes
2
Exchanges (NXX)
2
Carriers
2
Coordinates
41.35610205212807, -89.7370077850299

Area Codes

779 815

Top Carriers

Carrier OCN NXX Count
FRONTIER NORTH, INC. - IL 1015 1
MTCO COMMUNICATIONS, INC. 4837 1