NPA	NXX	CLLI	City, ST	Telco
443	300	BLTMMDCHXZY	SYKESVILLE	FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443	403	BLTMMDCHXZY	ABERDEEN	FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443	483	BLTMMDCHXZY	CARDIFF	FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443	484	BLTMMDCHXZY	EDGEWOOD	FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443	485	BLTMMDCHXZY	ELKTON	FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443	487	BLTMMDCHXZY	WESTMINSTR	FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443	545	BLTMMDCHXZY	COLUMBIA	FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443	641	BLTMMDCHXZY	PIKESVILLE	FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443	899	BLTMMDCHXZY	WATERLOO	FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443	927	BLTMMDCHXZY	BALTIMORE	FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC