NPA
NXX
CLLI
City, ST
Telco
630
365
ELBNILEURS0
ELBURN
AMERITECH ILLINOIS
630
387
CHCGILCNDS0
ELBURN
WINSTAR COMMUNICATIONS LLC - IL
630
448
CHCGILGMDS2
ELBURN
LEVEL 3 COMMUNICATIONS LLC - IL
630
934
RLMDILAGDS6
ELBURN
TELEPORT COMMUNICATIONS GROUP - CHICAGO