Fone Finder
WorkingFree
Looks up the original carrier and rate-center location for US/Canada phone number prefixes.
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Carrier & validation (5)
IPQS Phone Validation
WorkingPaid
Validates a number and flags line type, carrier, and fraud/VoIP risk.
NANPA / Local Calling Guide
WorkingFree
Shows the original carrier and rate center for a North American number block.
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- FreeCarrierLookup
Account & number lookup (1)
- PhoneInfoga
Reports & spam (2)
- 800notes
- FCC Consumer Complaint Data
Launch pages & guides (1)
- IntelTechniques Telephone tools
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