NPA	NXX	CLLI	City, ST	Telco
312	416	CHCGILTODS0	CHICGOZN01	MCI WORLDCOM COMMUNICATIONS INC. - IL
312	453	CHCGILTODS0	CHICGOZN01	MCI WORLDCOM COMMUNICATIONS INC. - IL
312	577	CHCGILTODS0	CHICGOZN01	MCI WORLDCOM COMMUNICATIONS INC. - IL
312	780	CHCGILTODS0	CHICGOZN01	MCI WORLDCOM COMMUNICATIONS INC. - IL
312	803	CHCGILTODS0	CHICGOZN01	MCI WORLDCOM COMMUNICATIONS INC. - IL
312	873	CHCGILTODS0	CHICGOZN01	MCI WORLDCOM COMMUNICATIONS INC. - IL