Prefix Information

The prefix 639 is part of area code 720 serving Denver, Colorado.

This exchange contains 10,000 possible phone numbers (720-639-0000 through 720-639-9999).

Browse Numbers in This Prefix

720-639-0000-0999 720-639-1000-1999 720-639-2000-2999 720-639-3000-3999 720-639-4000-4999 720-639-5000-5999 720-639-6000-6999 720-639-7000-7999 720-639-8000-8999 720-639-9000-9999

Sample Numbers

(720) 639-0000 (720) 639-1234 (720) 639-2000 (720) 639-3333 (720) 639-4444 (720) 639-5555 (720) 639-6000 (720) 639-7777 (720) 639-8888 (720) 639-9999