NPA
NXX
CLLI
City, ST
Telco
773
221
CHCGILSCDS0
CHICGOZN09
AMERITECH ILLINOIS
773
356
CHCGILSCDS0
CHICGOZN09
AMERITECH ILLINOIS
773
374
CHCGILSCDS0
CHICGOZN09
AMERITECH ILLINOIS
773
375
CHCGILSCDS0
CHICGOZN09
AMERITECH ILLINOIS
773
721
CHCGILSCDS0
CHICGOZN09
AMERITECH ILLINOIS
773
731
CHCGILSCDS0
CHICGOZN09
AMERITECH ILLINOIS
773
734
CHCGILSCDS0
CHICGOZN09
AMERITECH ILLINOIS
773
768
CHCGILSCDS0
CHICGOZN09
AMERITECH ILLINOIS
773
933
CHCGILSCDS0
CHICGOZN09
AMERITECH ILLINOIS
773
978
CHCGILSCDS0
CHICGOZN09
AMERITECH ILLINOIS