NPA	NXX	CLLI	City, ST	Telco
217	746	FRRSILXCRS0	FERRIS	CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL
469	248	DESTTXAJDS0	FERRIS	PREMIERE NETWORK SERVICES INC. - TX
469	373	DLLSTX97DSA	FERRIS	FOCAL COMMUNICATIONS CORPORATION OF TEXAS
972	544	FRRSTXXADS0	FERRIS	GTE-SW DBA VERIZON SW INC.-TX (CONTEL)
972	833	DLLSTXTA8MD	FERRIS	GRANDE COMMUNICATIONS NETWORKS INC. - TX
972	842	FRRSTXXADS0	FERRIS	GTE-SW DBA VERIZON SW INC.-TX (CONTEL)