Ask HN: How do scammers spoof real phone numbers?

Heykuki News

16 points

2 years ago

I got scam call from a number listed on USPTO website. How do they spoof a real phone number? What tech enables them do so?

I recently was targeted by this scam: https://www.reddit.com/r/Patents/comments/15yktus/called_by_uspto_scam/

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Ask HN: How do scammers spoof real phone numbers? | Heykuki News