Prefix Information

The prefix 283 is part of area code 303 serving Denver, Colorado.

This exchange contains 10,000 possible phone numbers (303-283-0000 through 303-283-9999).

Browse Numbers in This Prefix

303-283-0000-0999 303-283-1000-1999 303-283-2000-2999 303-283-3000-3999 303-283-4000-4999 303-283-5000-5999 303-283-6000-6999 303-283-7000-7999 303-283-8000-8999 303-283-9000-9999

Sample Numbers

(303) 283-0000 (303) 283-1234 (303) 283-2000 (303) 283-3333 (303) 283-4444 (303) 283-5555 (303) 283-6000 (303) 283-7777 (303) 283-8888 (303) 283-9999