What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phone

Question

What\'s the longest possible worldwide phone number I should consider in SQL varchar(length) for phone.

considerations:

• + for country code

Answer 1

It's a bit worse, I use a calling card for international calls, so its local number in the US + account# (6 digits) + pin (4 digits) + "pause" + what you described above.

I suspect there might be other cases