NPA
NXX
CLLI
City, ST
Telco
773
237
CHCGILMEDS0
CHICGOZN05
AMERITECH ILLINOIS
773
261
CHCGILAUCG0
CHICGOZN05
AMERITECH ILLINOIS
773
287
CHCGILAUCG0
CHICGOZN05
AMERITECH ILLINOIS
773
295
CHCGILWJDS0
CHICGOZN05
MCIMETRO ATS INC.
773
309
CHCGILCNDS0
CHICGOZN05
WINSTAR COMMUNICATIONS LLC - IL
773
345
CHCHILLEDS0
CHICGOZN05
ALLEGIANCE TELECOM INC. - IL
773
378
CHCGILAUCG0
CHICGOZN05
AMERITECH ILLINOIS
773
379
CHCGILAUCG0
CHICGOZN05
AMERITECH ILLINOIS
773
385
CHCGILMEDS0
CHICGOZN05
AMERITECH ILLINOIS
773
413
CHCGILCLGMD
CHICGOZN05
AT&T LOCAL
773
417
CHCGILCLGMD
CHICGOZN05
AT&T LOCAL
773
466
WDDLILCBDS0
CHICGOZN05
XO ILLINOIS INC.
773
473
CHCGILAUCG0
CHICGOZN05
AMERITECH ILLINOIS
773
479
CHCGILMEDS0
CHICGOZN05
AMERITECH ILLINOIS
773
589
RVGVILRGDS0
CHICGOZN05
AMERITECH ILLINOIS
773
622
CHCGILMEDS0
CHICGOZN05
AMERITECH ILLINOIS
773
625
RVGVILRGDS0
CHICGOZN05
AMERITECH ILLINOIS
773
626
CHCGILAUCG0
CHICGOZN05
AMERITECH ILLINOIS
773
637
CHCGILMEDS0
CHICGOZN05
AMERITECH ILLINOIS
773
658
WLNGIL01DS0
CHICGOZN05
MPOWER COMMUNICATIONS CORP - IL
773
664
CHCGILWUDS0
CHICGOZN05
OVATION COMMUNICATIONS OF ILLINOIS INC.
773
673
CHCGILWUDS0
CHICGOZN05
OVATION COMMUNICATIONS OF ILLINOIS INC.
773
676
CHCGIL24DS0
CHICGOZN05
TELEPORT COMMUNICATIONS GROUP - CHICAGO
773
692
CHCHILJFAMD
CHICGOZN05
HEARTLAND COMMUNICATIONS INC.
773
745
CHCGILMEDS0
CHICGOZN05
AMERITECH ILLINOIS
773
786
WLNGIL01DS0
CHICGOZN05
MPOWER COMMUNICATIONS CORP - IL
773
797
EKGVILAADS0
CHICGOZN05
FOCAL COMMUNICATIONS CORP OF ILLINOIS
773
804
CHCGILMEDS0
CHICGOZN05
AMERITECH ILLINOIS
773
830
WDDLILCBDS0
CHICGOZN05
XO ILLINOIS INC.
773
836
CHCGILMEDS0
CHICGOZN05
AMERITECH ILLINOIS
773
854
CHCGILAUCG0
CHICGOZN05
AMERITECH ILLINOIS
773
887
BNSVILDGDS0
CHICGOZN05
MCIMETRO ATS INC.
773
889
CHCGILMEDS0
CHICGOZN05
AMERITECH ILLINOIS
773
921
CHCGILAUCG0
CHICGOZN05
AMERITECH ILLINOIS
773
922
CHCGILCNDS1
CHICGOZN05
GLOBAL CROSSING LOCAL SERVICES INC.-IL