Complaints about Phone Numbers
720-423-####
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last 4 digits
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FTC
FCC
Prefix 720-423 Information
Company
QWEST CORPORATION
Rate Center
DENVER
Other prefix codes with DENVER rate center:
Prefix 720-422
Prefix 720-421
Prefix 720-420
Prefix 720-419
Prefix 720-418
Prefix 720-417
Prefix 720-416
Prefix 720-415
Prefix 720-413
Prefix 720-412
Prefix 720-424
Prefix 720-425
Prefix 720-426
Prefix 720-427
Prefix 720-428
Prefix 720-429
Prefix 720-430
Prefix 720-431
Prefix 720-432
Prefix 720-433