NPA	NXX	CLLI	City, ST	Telco
276	530	BGRKVAXARL0	BIG ROCK	VERIZON SOUTH INC.-VA
630	216	CHCGILACDS0	BIG ROCK	RCN TELECOM SERVICES OF ILLINOIS INC. - IL
630	318	CHCGILCNDS0	BIG ROCK	WINSTAR COMMUNICATIONS LLC - IL
630	556	BGRKILBGRS0	BIG ROCK	AMERITECH ILLINOIS
630	733	CHCGILCGDS3	BIG ROCK	TELEPORT COMMUNICATIONS GROUP - CHICAGO
630	884	WDDLILCBDS0	BIG ROCK	XO ILLINOIS INC.
630	982	CHCGILABDS0	BIG ROCK	FOCAL COMMUNICATIONS CORP OF ILLINOIS