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

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

considerations:

  • + for country code
  • () for area code
  • x + 6 numbers for Extension extension (so make it 8 {space})
  • spaces between groups (i.e. in American phones +x xxx xxx xxxx = 3 spaces)
  • here is where I need your help, I want it to be worldwide

Consider that in my particular case now, I don’t need cards etc. number begins with country code and ends with the extension, no Fax/Phone etc. comments, nor calling card stuff needed.

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