NPA
NXX
CLLI
City, ST
Telco
708
709
CHHGILCHDS0
CHICAGOHTS
AMERITECH ILLINOIS
708
754
CHHGILCHDS0
CHICAGOHTS
AMERITECH ILLINOIS
708
755
CHHGILCHDS0
CHICAGOHTS
AMERITECH ILLINOIS
708
756
CHHGILCHDS0
CHICAGOHTS
AMERITECH ILLINOIS