Prefix Information

The prefix 663 is part of area code 815 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (815-663-0000 through 815-663-9999).

Browse Numbers in This Prefix

815-663-0000-0999 815-663-1000-1999 815-663-2000-2999 815-663-3000-3999 815-663-4000-4999 815-663-5000-5999 815-663-6000-6999 815-663-7000-7999 815-663-8000-8999 815-663-9000-9999

Sample Numbers

(815) 663-0000 (815) 663-1234 (815) 663-2000 (815) 663-3333 (815) 663-4444 (815) 663-5555 (815) 663-6000 (815) 663-7777 (815) 663-8888 (815) 663-9999