IPQS Phone Validatoripqualityscore.com
Free phone check that returns validity, carrier, line type, VoIP/prepaid flags, and fraud and spam risk scoring.
phonedetails
tools / free-carrier-lookup
Free Carrier Lookup
Returns the current carrier and mobile/landline/VoIP type for a number, plus the carrier's email-to-SMS gateway address.
freeweb
field note
A VoIP result (Google Voice, Bandwidth, TextNow) is a strong sign of a burner or virtual number.
used in playbooks
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