NPA	NXX	CLLI	City, ST	Telco
203	577	MDLBCT00RS0	WATERBURY	SOUTHERN NEW ENGLAND TELEPHONE CO.
203	598	MDLBCT00RS0	WATERBURY	SOUTHERN NEW ENGLAND TELEPHONE CO.
203	695	MDLBCT00RS0	WATERBURY	SOUTHERN NEW ENGLAND TELEPHONE CO.