Prefix Information

The prefix 204 is part of area code 815 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (815-204-0000 through 815-204-9999).

Browse Numbers in This Prefix

815-204-0000-0999 815-204-1000-1999 815-204-2000-2999 815-204-3000-3999 815-204-4000-4999 815-204-5000-5999 815-204-6000-6999 815-204-7000-7999 815-204-8000-8999 815-204-9000-9999

Sample Numbers

(815) 204-0000 (815) 204-1234 (815) 204-2000 (815) 204-3333 (815) 204-4444 (815) 204-5555 (815) 204-6000 (815) 204-7777 (815) 204-8888 (815) 204-9999