Prefix Information

The prefix 203 is part of area code 720 serving Denver, Colorado.

This exchange contains 10,000 possible phone numbers (720-203-0000 through 720-203-9999).

Browse Numbers in This Prefix

720-203-0000-0999 720-203-1000-1999 720-203-2000-2999 720-203-3000-3999 720-203-4000-4999 720-203-5000-5999 720-203-6000-6999 720-203-7000-7999 720-203-8000-8999 720-203-9000-9999

Sample Numbers

(720) 203-0000 (720) 203-1234 (720) 203-2000 (720) 203-3333 (720) 203-4444 (720) 203-5555 (720) 203-6000 (720) 203-7777 (720) 203-8888 (720) 203-9999