NPA
NXX
CLLI
City, ST
Telco
773
237
CHCGILMEDS0
CHICGOZN05
AMERITECH ILLINOIS
773
385
CHCGILMEDS0
CHICGOZN05
AMERITECH ILLINOIS
773
479
CHCGILMEDS0
CHICGOZN05
AMERITECH ILLINOIS
773
622
CHCGILMEDS0
CHICGOZN05
AMERITECH ILLINOIS
773
637
CHCGILMEDS0
CHICGOZN05
AMERITECH ILLINOIS
773
745
CHCGILMEDS0
CHICGOZN05
AMERITECH ILLINOIS
773
804
CHCGILMEDS0
CHICGOZN05
AMERITECH ILLINOIS
773
836
CHCGILMEDS0
CHICGOZN05
AMERITECH ILLINOIS
773
889
CHCGILMEDS0
CHICGOZN05
AMERITECH ILLINOIS