phone number = (555) 324-1233
area code = 555
exchange  = 324
number    = 1233
extention = none
phone number = 555 - 324-1234
area code = 555
exchange  = 324
number    = 1234
extention = none
phone number = 555 - 324-1234x204
area code = 555
exchange  = 324
number    = 1234
extention = 204
phone number = 1 555 342 1234
area code = 555
exchange  = 342
number    = 1234
extention = none