NPA
NXX
CLLI
City, ST
Telco
217
351
CHMPILCPDS0
CHAMPAURBN
AMERITECH ILLINOIS
217
352
CHMPILCPDS0
CHAMPAURBN
AMERITECH ILLINOIS
217
353
CHMPILCPDS0
CHAMPAURBN
AMERITECH ILLINOIS
217
355
CHMPILCPDS0
CHAMPAURBN
AMERITECH ILLINOIS
217
356
CHMPILCPDS0
CHAMPAURBN
AMERITECH ILLINOIS
217
359
CHMPILCPDS0
CHAMPAURBN
AMERITECH ILLINOIS
217
363
CHMPILCPDS0
CHAMPAURBN
AMERITECH ILLINOIS
217
366
CHMPILCPDS0
CHAMPAURBN
AMERITECH ILLINOIS
217
372
CHMPILCPDS0
CHAMPAURBN
AMERITECH ILLINOIS
217
373
CHMPILCPDS0
CHAMPAURBN
AMERITECH ILLINOIS
217
378
CHMPILCPDS0
CHAMPAURBN
AMERITECH ILLINOIS
217
398
CHMPILCPDS0
CHAMPAURBN
AMERITECH ILLINOIS
217
403
CHMPILCPDS0
CHAMPAURBN
AMERITECH ILLINOIS
217
591
CHMPILCPDS0
CHAMPAURBN
AMERITECH ILLINOIS