NPA
NXX
CLLI
City, ST
Telco
847
251
WLMTILWIDS0
WILMETTE
AMERITECH ILLINOIS
847
256
WLMTILWIDS0
WILMETTE
AMERITECH ILLINOIS
847
512
WDDLILCBDS0
WILMETTE
XO ILLINOIS INC.
847
728
CHCGIL24DS0
WILMETTE
TELEPORT COMMUNICATIONS GROUP - CHICAGO
847
853
WLMTILWIDS0
WILMETTE
AMERITECH ILLINOIS
847
906
BNSVILDGDS0
WILMETTE
MCIMETRO ATS INC.
847
920
WLMTILWIDS0
WILMETTE
AMERITECH ILLINOIS