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Discussion on: There's only one way to validate an email address

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Phil Ashby

Yep. There are similar challenges with telephone numbers too ("surely not!" I hear you cry... uh-huh:, and usually our clients want to confirm it's not made up, thus, we adopt similar solutions, such as sending an SMS message, or making an actual call.

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Thomas H Jones II • Edited

Thus the recent FCC warnings about dialing back unknown "local" numbers. Thus, "be careful about calling back".

A couple weeks ago, I received a call that, on my cell, very obviously came from the 20 country-code. However, on my VOIP line's handset - and its simplified display - the number simply appeared as a ten-digit 202NNNNNNN (the 202 area-code is local to me) number.

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