NPA	NXX	CLLI	City, ST	Telco
773	268	CHCGILOKDS0	CHICGOZN07	AMERITECH ILLINOIS
773	285	CHCGILOKDS0	CHICGOZN07	AMERITECH ILLINOIS
773	373	CHCGILOKDS0	CHICGOZN07	AMERITECH ILLINOIS
773	451	CHCGILOKDS0	CHICGOZN07	AMERITECH ILLINOIS
773	536	CHCGILOKDS0	CHICGOZN07	AMERITECH ILLINOIS
773	538	CHCGILOKDS0	CHICGOZN07	AMERITECH ILLINOIS
773	548	CHCGILOKDS0	CHICGOZN07	AMERITECH ILLINOIS
773	624	CHCGILOKDS0	CHICGOZN07	AMERITECH ILLINOIS
773	924	CHCGILOKDS0	CHICGOZN07	AMERITECH ILLINOIS