Prefix Information

The prefix 813 is part of area code 720 serving Denver, Colorado.

This exchange contains 10,000 possible phone numbers (720-813-0000 through 720-813-9999).

Browse Numbers in This Prefix

720-813-0000-0999 720-813-1000-1999 720-813-2000-2999 720-813-3000-3999 720-813-4000-4999 720-813-5000-5999 720-813-6000-6999 720-813-7000-7999 720-813-8000-8999 720-813-9000-9999

Sample Numbers

(720) 813-0000 (720) 813-1234 (720) 813-2000 (720) 813-3333 (720) 813-4444 (720) 813-5555 (720) 813-6000 (720) 813-7777 (720) 813-8888 (720) 813-9999