Reference Data
Rate Center Directory
HILLSDALE, IL Rate Center

HILLSDALE — IL

Data last updated: March 10, 2026

LATA
634
State
IL
Area Codes
1
Exchanges (NXX)
2
Carriers
2
Coordinates
41.61426621253727, -90.17272448948471

Area Codes

309

Top Carriers

Carrier OCN NXX Count
CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 1183 1
MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 846F 1