Prefix Information

The prefix 406 is part of area code 720 serving Denver, Colorado.

This exchange contains 10,000 possible phone numbers (720-406-0000 through 720-406-9999).

Browse Numbers in This Prefix

720-406-0000-0999 720-406-1000-1999 720-406-2000-2999 720-406-3000-3999 720-406-4000-4999 720-406-5000-5999 720-406-6000-6999 720-406-7000-7999 720-406-8000-8999 720-406-9000-9999

Sample Numbers

(720) 406-0000 (720) 406-1234 (720) 406-2000 (720) 406-3333 (720) 406-4444 (720) 406-5555 (720) 406-6000 (720) 406-7777 (720) 406-8888 (720) 406-9999