NPA	NXX	CLLI	City, ST	Telco
240	483	CHCHMDBE7MD	WSHNGTNZN2	COMCAST BUSINESS COMMUNICATIONS INC. - MD
443	542	BLTPMDHIDS0	COLUMBIA	COMCAST BUSINESS COMMUNICATIONS INC. - MD
443	559	BLTPMDHIDS0	ESSEX	COMCAST BUSINESS COMMUNICATIONS INC. - MD