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Phone Numbers

9 OSINT tools and guides. Use them lawfully and ethically.

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Carrier & validation (5)

Fone Finder

WorkingFree

Looks up the original carrier and rate-center location for US/Canada phone number prefixes.

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IPQS Phone Validation

WorkingPaid

Validates a number and flags line type, carrier, and fraud/VoIP risk.

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NANPA / Local Calling Guide

WorkingFree

Shows the original carrier and rate center for a North American number block.

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Twilio Lookup (API)

WorkingPaidLogin required

API documentation for carrier, line type and caller-name lookups.

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FreeCarrierLookup

May be blockedFree

Looks up the current carrier and line type (mobile, landline, VoIP).

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Account & number lookup (1)

PhoneInfoga

May be blockedFree

Open-source tool that gathers public information about an international phone number.

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Reports & spam (2)

800notes

WorkingFree

Community reports about phone numbers (scams, telemarketing).

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FCC Consumer Complaint Data

WorkingFree

Official FCC open data of unwanted-call complaints, searchable by number.

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Launch pages & guides (1)

IntelTechniques Telephone tools

WorkingFree

Telephone search launch page linking common lookups.

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