How to Protect Privacy in Second-Hand Trading with Virtual Numbers: Don't Give Your Number to Buyers, Choose the Right Number for Platform Verificatio

When buying and selling on Craigslist, Facebook Marketplace, and OfferUp, protecting your phone number involves two things: never give your number to buyers or share verification codes, and use a platform-accepted US real carrier number separate from your main number for platform verification. For occasional listings, a short-term number works; for long-term account management, use a renewable long-term number that can receive codes repeatedly.