NPA
NXX
CLLI
City, ST
Telco
847
388
BNSVILDGDS0
MUNDELEIN
MCIMETRO ATS INC.
847
393
CHCGIL24DS0
MUNDELEIN
TELEPORT COMMUNICATIONS GROUP - CHICAGO
847
552
CHCHILJFAMD
MUNDELEIN
HEARTLAND COMMUNICATIONS INC.
847
566
LBVLILLIDS0
MUNDELEIN
AMERITECH ILLINOIS
847
643
WLNGIL01DS0
MUNDELEIN
MPOWER COMMUNICATIONS CORP - IL
847
837
LBVLILLIDS0
MUNDELEIN
AMERITECH ILLINOIS
847
949
LBVLILLIDS0
MUNDELEIN
AMERITECH ILLINOIS
847
970
LBVLILLIDS0
MUNDELEIN
AMERITECH ILLINOIS