Prefix Information

The prefix 645 is part of area code 720 serving Denver, Colorado.

This exchange contains 10,000 possible phone numbers (720-645-0000 through 720-645-9999).

Browse Numbers in This Prefix

720-645-0000-0999 720-645-1000-1999 720-645-2000-2999 720-645-3000-3999 720-645-4000-4999 720-645-5000-5999 720-645-6000-6999 720-645-7000-7999 720-645-8000-8999 720-645-9000-9999

Sample Numbers

(720) 645-0000 (720) 645-1234 (720) 645-2000 (720) 645-3333 (720) 645-4444 (720) 645-5555 (720) 645-6000 (720) 645-7777 (720) 645-8888 (720) 645-9999