As someone who works with telephony systems every day, this sounds incredibly frustrating. It's more common that it should be, some providers even store their phone numbers as BIGINT. 
Just bewildered by this phone number entry field that keeps "correcting" 0123 to 123. I'm incapable of entering my actual phone number because some webdev thinks that phone numbers are literally integers.
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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