Will It Dial

A simple customer phone number validator for lead validation. It's pretty paranoid and will not allow numbers that seem highly unlikely but are technically valid.

WillItDial::US.check('404-514-6858') => true
WillItDial::US.check('1-404-514-6858') => true
WillItDial::US.check('404-555-5555') => false # Suspcious
WillItDial::US.check('404-154-7372') => false # Can't start exchange code with 1
WillItDial::US.check('404-054-7372') => false # Can't start exchange code with 0
WillItDial::US.check('404-404-0404') => false # Suspicious, only 2 unique digits
WillItDial::US.check('404-555-1212') => false # Explicitly banned
WillItDial::US.check('247-464-2039') => false # Fake area code

Defaults to US

WillItDial('404-332-1494') => true


gem install will_it_dial


  • Better configuration options, increase or decrease paranoia
  • Build an international version

Copyright (c) 2010 Mark Percival. See LICENSE for details.