NPA	NXX	CLLI	City, ST	Telco
443	217	BLTMMD91DS0	ANNAPOLIS	CORE COMMUNICATIONS INC. - MD
443	236	BLTMMD91DS0	CARDIFF	CORE COMMUNICATIONS INC. - MD
443	237	BLTMMD91DS0	NORTHBEACH	CORE COMMUNICATIONS INC. - MD
443	246	BLTMMD91DS0	ELKTON	CORE COMMUNICATIONS INC. - MD
443	268	BLTMMD91DS0	BALTIMORE	CORE COMMUNICATIONS INC. - MD
443	344	BLTMMD91DS0	SEVERNA PK	CORE COMMUNICATIONS INC. - MD
443	349	BLTMMD91DS0	SILVER RUN	CORE COMMUNICATIONS INC. - MD
443	361	BLTMMD91DS0	SYKESVILLE	CORE COMMUNICATIONS INC. - MD
443	368	BLTMMD91DS0	WESTMINSTR	CORE COMMUNICATIONS INC. - MD
443	369	BLTMMD91DS0	BEL AIR	CORE COMMUNICATIONS INC. - MD
443	428	BLTMMD91DS0	COCKEYSVL	CORE COMMUNICATIONS INC. - MD