NPA
NXX
CLLI
City, ST
Telco
308
366
CRTSNEXSDS1
CURTIS
CURTIS TELEPHONE CO.
308
367
CRTSNEXSDS1
CURTIS
CURTIS TELEPHONE CO.
360
245
CRTSWAXARS0
CURTIS
CENTURYTEL OF WASHINGTON INC.
906
215
MRQTMIABCA0
CURTIS
TELNET WORLDWIDE INC.
906
382
MRQTMIACCM0
CURTIS
RANGE TELECOMMUNICATIONS
906
586
CRTSMIMNRS1
CURTIS
AMERITECH MICHIGAN