Prefix Information

The prefix 401 is part of area code 720 serving Denver, Colorado.

This exchange contains 10,000 possible phone numbers (720-401-0000 through 720-401-9999).

Browse Numbers in This Prefix

720-401-0000-0999 720-401-1000-1999 720-401-2000-2999 720-401-3000-3999 720-401-4000-4999 720-401-5000-5999 720-401-6000-6999 720-401-7000-7999 720-401-8000-8999 720-401-9000-9999

Sample Numbers

(720) 401-0000 (720) 401-1234 (720) 401-2000 (720) 401-3333 (720) 401-4444 (720) 401-5555 (720) 401-6000 (720) 401-7777 (720) 401-8888 (720) 401-9999