Prefix Information

The prefix 312 is part of area code 720 serving Denver, Colorado.

This exchange contains 10,000 possible phone numbers (720-312-0000 through 720-312-9999).

Browse Numbers in This Prefix

720-312-0000-0999 720-312-1000-1999 720-312-2000-2999 720-312-3000-3999 720-312-4000-4999 720-312-5000-5999 720-312-6000-6999 720-312-7000-7999 720-312-8000-8999 720-312-9000-9999

Sample Numbers

(720) 312-0000 (720) 312-1234 (720) 312-2000 (720) 312-3333 (720) 312-4444 (720) 312-5555 (720) 312-6000 (720) 312-7777 (720) 312-8888 (720) 312-9999