Prefix Information

The prefix 100 is part of area code 720 serving Denver, Colorado.

This exchange contains 10,000 possible phone numbers (720-100-0000 through 720-100-9999).

Browse Numbers in This Prefix

720-100-0000-0999 720-100-1000-1999 720-100-2000-2999 720-100-3000-3999 720-100-4000-4999 720-100-5000-5999 720-100-6000-6999 720-100-7000-7999 720-100-8000-8999 720-100-9000-9999

Sample Numbers

(720) 100-0000 (720) 100-1234 (720) 100-2000 (720) 100-3333 (720) 100-4444 (720) 100-5555 (720) 100-6000 (720) 100-7777 (720) 100-8888 (720) 100-9999