Prefix Information

The prefix 564 is part of area code 303 serving Denver, Colorado.

This exchange contains 10,000 possible phone numbers (303-564-0000 through 303-564-9999).

Browse Numbers in This Prefix

303-564-0000-0999 303-564-1000-1999 303-564-2000-2999 303-564-3000-3999 303-564-4000-4999 303-564-5000-5999 303-564-6000-6999 303-564-7000-7999 303-564-8000-8999 303-564-9000-9999

Sample Numbers

(303) 564-0000 (303) 564-1234 (303) 564-2000 (303) 564-3333 (303) 564-4444 (303) 564-5555 (303) 564-6000 (303) 564-7777 (303) 564-8888 (303) 564-9999