NPA
NXX
CLLI
City, ST
Telco
773
257
CHCGILLDDS0
CHICGOZN06
AMERITECH ILLINOIS
773
277
CHCGILLDDS0
CHICGOZN06
AMERITECH ILLINOIS
773
521
CHCGILLDDS0
CHICGOZN06
AMERITECH ILLINOIS
773
522
CHCGILLDDS0
CHICGOZN06
AMERITECH ILLINOIS
773
542
CHCGILLDDS0
CHICGOZN06
AMERITECH ILLINOIS
773
762
CHCGILLDDS0
CHICGOZN06
AMERITECH ILLINOIS