What is a temporary phone number and why do I need one?

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Source: What is a temporary phone number and why do I need one?

A temporary phone number is a short-term number used to receive SMS verification codes without exposing your real SIM. Services like Grizzly SMS let you get a temporary or virtual number for otp from over 150 countries instantly. This way you can sign up on websites or apps safely and privately, avoid sharing your real phone number, and prevent spam or misuse.