NPA	NXX	CLLI	City, ST	Telco
312	353	CHCGILWBDS0	CHICGOZN01	AMERITECH ILLINOIS
312	362	CHCGILWBDS0	CHICGOZN01	AMERITECH ILLINOIS
312	385	CHCGILWBDS0	CHICGOZN01	AMERITECH ILLINOIS
312	408	CHCGILWBDS0	CHICGOZN01	AMERITECH ILLINOIS
312	427	CHCGILWBDS0	CHICGOZN01	AMERITECH ILLINOIS
312	435	CHCGILWBDS0	CHICGOZN01	AMERITECH ILLINOIS
312	554	CHCGILWBDS0	CHICGOZN01	AMERITECH ILLINOIS
312	582	CHCGILWBDS0	CHICGOZN01	AMERITECH ILLINOIS
312	692	CHCGILWBDS0	CHICGOZN01	AMERITECH ILLINOIS
312	697	CHCGILWBDS0	CHICGOZN01	AMERITECH ILLINOIS
312	732	CHCGILWBDS0	CHICGOZN01	AMERITECH ILLINOIS
312	789	CHCGILWBDS0	CHICGOZN01	AMERITECH ILLINOIS
312	823	CHCGILWBDS0	CHICGOZN01	AMERITECH ILLINOIS
312	886	CHCGILWBDS0	CHICGOZN01	AMERITECH ILLINOIS
312	939	CHCGILWBDS0	CHICGOZN01	AMERITECH ILLINOIS
312	983	CHCGILWBDS0	CHICGOZN01	AMERITECH ILLINOIS