NPA
NXX
CLLI
City, ST
Telco
630
225
CHCGILABDS0
WARRENVL
FOCAL COMMUNICATIONS CORP OF ILLINOIS
630
393
WNVLILWVRS0
WARRENVL
AMERITECH ILLINOIS
630
604
CHCGILABDS0
WARRENVL
FOCAL COMMUNICATIONS CORP OF ILLINOIS
630
657
CHCGILWUDS0
WARRENVL
OVATION COMMUNICATIONS OF ILLINOIS INC.
630
791
CHCGIL24DS0
WARRENVL
TELEPORT COMMUNICATIONS GROUP - CHICAGO
630
821
BNSVILDGDS0
WARRENVL
MCIMETRO ATS INC.
630
836
WNVLILWVRS0
WARRENVL
AMERITECH ILLINOIS