Prefix Information

The prefix 504 is part of area code 720 serving Denver, Colorado.

This exchange contains 10,000 possible phone numbers (720-504-0000 through 720-504-9999).

Browse Numbers in This Prefix

720-504-0000-0999 720-504-1000-1999 720-504-2000-2999 720-504-3000-3999 720-504-4000-4999 720-504-5000-5999 720-504-6000-6999 720-504-7000-7999 720-504-8000-8999 720-504-9000-9999

Sample Numbers

(720) 504-0000 (720) 504-1234 (720) 504-2000 (720) 504-3333 (720) 504-4444 (720) 504-5555 (720) 504-6000 (720) 504-7777 (720) 504-8888 (720) 504-9999