As per point 16 of the document ["Falsehoods Programmers Believe About Phone Numbers"](https://github.com/google/libphonenumber/blob/master/FALSEHOODS.md), we'll eventually need to handle phone numbers longer than 15 digits.
As per point 16 of the document "Falsehoods Programmers Believe About Phone Numbers", we'll eventually need to handle phone numbers longer than 15 digits.