Whose Number Is This
by useosint06243a5620b0No licenseListed Oct 8, 2026Updated Oct 8, 2026
Investigate a phone number — E.164 normalisation with libphonenumber, phoneinfoga scanning, carrier and line-type identification, VoIP and burner detection, messaging-app registration checks, and reverse-lookup and caller-ID sources. Use for phone OSINT and reverse phone lookup, "who owns this number", identifying a burner or VoIP number, or checking whether a number is registered on WhatsApp, Telegram or Signal. Applies to vishing and business email compromise investigation, verifying a counterparty before sending payment, recruitment and marketplace scam checks, and fraud triage. Reference at useosint.com/skills/whose-number-is-this.
Only the file list is public. File contents are available once the skill is installed in a workspace.
| Path | Size | Type |
|---|---|---|
| reference/format-permutations.md | 5.1 KB | text/markdown |
| reference/line-types.md | 5.3 KB | text/markdown |
| SKILL.md | 10.8 KB | text/markdown |
Source and attribution
Source:useosint/skillsinskills/whose-number-is-thisat commit06243a5
License: No license
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