NPA	NXX	CLLI	City, ST	Telco
336	579	GNBONCCKDS1	GREENSBORO	BUSINESS TELECOM INC. - NC
336	646	GNBONCCKDS1	BURLINGTON	BUSINESS TELECOM INC. - NC
336	647	GNBONCCKDS1	WINSTN SAL	BUSINESS TELECOM INC. - NC