NPA
NXX
CLLI
City, ST
Telco
313
206
DRBRMIFBDS1
DETROITZN6
AMERITECH MICHIGAN
313
248
DRBRMIFBDS1
DETROITZN6
AMERITECH MICHIGAN
313
317
DRBRMIFBDS1
DETROITZN6
AMERITECH MICHIGAN
313
322
DRBRMIFBDS1
DETROITZN6
AMERITECH MICHIGAN
313
323
DRBRMIFBDS1
DETROITZN6
AMERITECH MICHIGAN
313
337
DRBRMIFBDS1
DETROITZN6
AMERITECH MICHIGAN
313
390
DRBRMIFBDS1
DETROITZN6
AMERITECH MICHIGAN
313
594
DRBRMIFBDS1
DETROITZN6
AMERITECH MICHIGAN
313
619
DRBRMIFBDS1
DETROITZN6
AMERITECH MICHIGAN
313
621
DRBRMIFBDS1
DETROITZN6
AMERITECH MICHIGAN
313
722
DRBRMIFBDS1
DETROITZN6
AMERITECH MICHIGAN
313
755
DRBRMIFBDS1
DETROITZN6
AMERITECH MICHIGAN
313
845
DRBRMIFBDS1
DETROITZN6
AMERITECH MICHIGAN