NPA	NXX	CLLI	City, ST	Telco
443	231	BLTMMDCHDS7	ESSEX	AT&T LOCAL
443	352	BLTMMDCHDS7	PIKESVILLE	AT&T LOCAL
443	425	BLTMMDCHDS7	PARKVILLE	AT&T LOCAL
443	456	BLTMMDCHDS7	EDGEWOOD	AT&T LOCAL
443	733	BLTMMDCHDS7	WATERLOO	AT&T LOCAL
443	760	BLTMMDCHDS7	ABERDEEN	AT&T LOCAL
443	883	BLTMMDCHDS7	GLENBURNIE	AT&T LOCAL
443	886	BLTMMDCHDS7	COCKEYSVL	AT&T LOCAL
443	896	BLTMMDCHDS7	COLUMBIA	AT&T LOCAL
443	957	BLTMMDCHDS7	BALTIMORE	AT&T LOCAL
443	987	BLTMMDCHDS7	BEL AIR	AT&T LOCAL