NPA	NXX	CLLI	City, ST	Telco
240	260	WASHDCRKDS3	WSHNGTNZN4	ALLEGIANCE TELECOM INC. - MD
240	296	HRNDVA13DS0	WSHNGTNZN4	CAVALIER TELEPHONE MID-ATLANTIC. LLC - MD
240	413	BTVLMD12CM0	WSHNGTNZN4	OMNIPOINT COMMUNICATIONS CAP OPERATIONS LLC
240	487	TYCRVA03DS0	WSHNGTNZN4	US LEC OF MARYLAND INC.
240	539	RSTNVA31DS0	WSHNGTNZN4	GLOBAL NAPS SOUTH INC. - MD
240	582	HYVLMDHYDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
240	667	WASJDCDCDS0	WSHNGTNZN4	GLOBAL CROSSING LOCAL SERVICES INC.-MD
240	696	RSTNVA91DS0	WSHNGTNZN4	LEVEL 3 COMMUNICATIONS LLC - MD
240	737	WASJDCDBDS1	WSHNGTNZN4	CAVALIER EAST LLC - MD
240	764	WASHDCCZDS0	WSHNGTNZN4	XO MARYLAND LLC
240	898	WASHDCRKDS2	WSHNGTNZN4	FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
301	209	HYVLMDHYDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	226	LDVRMDLODS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	239	HYVLMDHYDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	243	LARLMDKKCM0	WSHNGTNZN4	MAP MOBILE COMMUNICATIONS INC.
301	276	BLTMMDDNDS0	WSHNGTNZN4	MCIMETRO ATS INC.
301	277	HYVLMDHYDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	306	LNHMMDLNDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	314	LDVRMDLODS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	322	LDVRMDLODS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	327	WASHDCBLDS0	WSHNGTNZN4	WINSTAR COMMUNICATIONS LLC - MD
301	341	LDVRMDLODS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	361	LARLMDCCDC0	WSHNGTNZN4	XSPEDIUS MANAGEMENT CO SWITCHES SERVICES LLC - MD
301	364	RSTNVABHDS3	WSHNGTNZN4	MCI WORLDCOM COMMUNICATIONS INC. - MD
301	386	LDVRMDLODS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	403	HYVLMDHYDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	405	LDVRMDLODS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	422	HYVLMDRIDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	429	LNHMMDLNDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	436	HYVLMDHYDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	454	HYVLMDHYDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	458	WASHDCTTDS0	WSHNGTNZN4	TELEPORT COMMUNICATIONS GROUP INC. - DC
301	459	LNHMMDLNDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	484	ALXNVAGB1MD	WSHNGTNZN4	JONES TELECOMM OF MD INC. DBA COMCAST COMM-MD
301	531	LNHMMDADDS0	WSHNGTNZN4	STARPOWER COMMUNICATIONS LLC - MD
301	532	HYVLMDHYDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	559	HYVLMDCMDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	560	CHCHMDBE6MD	WSHNGTNZN4	PAETEC COMMUNICATIONS INC.- MD
301	577	LNHMMDLNDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	583	LDVRMDLODS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	618	LDVRMDLODS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	683	WASHDCTTDS0	WSHNGTNZN4	TELEPORT COMMUNICATIONS GROUP INC. - DC
301	699	HYVLMDHYDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	712	KETNMDAVCM8	WSHNGTNZN4	MAP MOBILE COMMUNICATIONS INC.
301	731	LNHMMDLNDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	772	LDVRMDLODS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	773	LDVRMDLODS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	779	HYVLMDHYDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	789	DMSCMDAGDS1	WSHNGTNZN4	CORE COMMUNICATIONS INC. - PA
301	832	WASHDCSWDS8	WSHNGTNZN4	AT&T LOCAL
301	844	WASHDCSW2TD	WSHNGTNZN4	VERIZON MARYLAND INC.
301	851	HYVLMDHYDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	852	HYVLMDHYDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	853	HYVLMDCMDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	864	HYVLMDHYDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	887	HYVLMDHYDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	918	LNHMMDLNDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	927	HYVLMDHYDS0	WSHNGTNZN4	VERIZON MARYLAND INC.
301	936	WASHDCSW2WD	WSHNGTNZN4	VERIZON MARYLAND INC.
301	954	BLTMMDCHDS3	WSHNGTNZN4	VERIZON MARYLAND INC.
301	955	WASHDCINDS0	WSHNGTNZN4	MCIMETRO ATS INC.
301	985	HYVLMDHYDS0	WSHNGTNZN4	VERIZON MARYLAND INC.