NPA	NXX	CLLI	City, ST	Telco
410	423	BLTMMDFMDS0	COLUMBIA	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
410	427	BLTMMDFMDS0	TOWSON	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
410	470	BLTMMDFMDS0	TOWSON	COMCAST TELEPHONY COMMUNICATIONS OF MARYLAND INC.
410	497	BLTMMDFMDS0	PARKVILLE	COMCAST TELEPHONY COMMUNICATIONS OF MARYLAND INC.
410	498	BLTMMDFMDS0	COCKEYSVL	COMCAST TELEPHONY COMMUNICATIONS OF MARYLAND INC.
410	504	BLTMMDFMDS0	PIKESVILLE	COMCAST TELEPHONY COMMUNICATIONS OF MARYLAND INC.
410	510	BLTMMDFMDS0	FORK	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
410	513	BLTMMDFMDS0	PARKVILLE	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
410	559	BLTMMDFMDS0	PIKESVILLE	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
410	564	BLTMMDFMDS0	ELKRIDGE	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
410	568	BLTMMDFMDS0	COCKEYSVL	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
410	577	BLTMMDFMDS0	FORK	COMCAST TELEPHONY COMMUNICATIONS OF MARYLAND INC.
410	649	BLTMMDFMDS0	BALTIMORE	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
410	689	BLTMMDFMDS0	GLENBURNIE	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
410	776	BLTMMDFMDS0	BEL AIR	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
410	818	BLTMMDFMDS0	CATONSVL	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
410	843	BLTMMDFMDS0	BALTIMORE	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
410	951	BLTMMDFMDS0	BALTIMORE	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
410	972	BLTMMDFMDS0	ANNAPOLIS	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	212	BLTMMDFMDS0	SPARKSGLNC	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	267	BLTMMDFMDS0	DARLINGTON	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	272	BLTMMDFMDS0	RANDALLSTN	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	297	BLTMMDFMDS0	ARBUTUS	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	343	BLTMMDFMDS0	MILLERSVL	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	348	BLTMMDFMDS0	WOODLAWN	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	360	BLTMMDFMDS0	ABERDEEN	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	376	BLTMMDFMDS0	DUNDALK	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	402	BLTMMDFMDS0	EDGEWOOD	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	406	BLTMMDFMDS0	ELKTON	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	412	BLTMMDFMDS0	CHURCHVL	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	417	BLTMMDFMDS0	FALLSTON	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	424	BLTMMDFMDS0	CARDIFF	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	441	BLTMMDFMDS0	GLENWOOD	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	457	BLTMMDFMDS0	BRYNPKLNCM	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	489	BLTMMDFMDS0	CHASE	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	502	BLTMMDFMDS0	HAVREGRACE	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	507	BLTMMDFMDS0	HAMPSTEAD	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	533	BLTMMDFMDS0	JARRETTSVL	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	648	BLTMMDFMDS0	ESSEX	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	671	BLTMMDFMDS0	NEWWINDSOR	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	672	BLTMMDFMDS0	PARKTON	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	674	BLTMMDFMDS0	NORTH EAST	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	679	BLTMMDFMDS0	SEVERN	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	693	BLTMMDFMDS0	PERRYVILLE	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	698	BLTMMDFMDS0	ODENTON	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	731	BLTMMDFMDS0	PT DEPOSIT	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	732	BLTMMDFMDS0	SILVER RUN	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	784	BLTMMDFMDS0	ARGRGBSNIS	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	914	BLTMMDFMDS0	WORTHINGTN	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	918	BLTMMDFMDS0	TANEYTOWN	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	937	BLTMMDFMDS0	UNION BDG	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	943	BLTMMDFMDS0	SPARROWSPT	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443	974	BLTMMDFMDS0	WESTMINSTR	TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD