Jim's number is +1 512 555 1234
Susan can be found at 1 512 555 1234
+1(512)555-1234 is where you'll get Steven
Cell: 1 (512) 555-1234
1-512-555-1234 -- Mobile
(512) 555-1234 Desk
(512) 555-12345 but this is not
(512) 555-1234 is also a phone number
this is also a phone number (512) 555-1234
Desk 1.512.555.1234
Office: +15125551234
51255512345 (too many digits)
512.555.1234
512 555 1234
5125551234
15125551234
99512555123499
you email someone@example.com right away
another.person@nowhere.co.uk is hiding from us right now