NPA	NXX	CLLI	City, ST	Telco
410	452	CRDFMDCDRS0	CARDIFF	VERIZON MARYLAND INC.
443	236	BLTMMD91DS0	CARDIFF	CORE COMMUNICATIONS INC. - MD
443	347	BLTMMDDN4MD	CARDIFF	GLOBAL NAPS SOUTH INC. - MD
443	424	BLTMMDFMDS0	CARDIFF	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	483	BLTMMDCHXZY	CARDIFF	FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC