NPA
NXX
CLLI
City, ST
Telco
773
488
CHCGILSTCG0
CHICGOZN07
AMERITECH ILLINOIS
773
651
CHCGILSTCG0
CHICGOZN07
AMERITECH ILLINOIS
773
723
CHCGILSTCG0
CHICGOZN07
AMERITECH ILLINOIS
773
783
CHCGILSTCG0
CHICGOZN07
AMERITECH ILLINOIS
773
846
CHCGILSTCG0
CHICGOZN07
AMERITECH ILLINOIS
773
874
CHCGILSTCG0
CHICGOZN07
AMERITECH ILLINOIS
773
962
CHCGILSTCG0
CHICGOZN07
AMERITECH ILLINOIS
773
994
CHCGILSTCG0
CHICGOZN07
AMERITECH ILLINOIS