Prefix Information

The prefix 663 is part of area code 779 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (779-663-0000 through 779-663-9999).

Browse Numbers in This Prefix

779-663-0000-0999 779-663-1000-1999 779-663-2000-2999 779-663-3000-3999 779-663-4000-4999 779-663-5000-5999 779-663-6000-6999 779-663-7000-7999 779-663-8000-8999 779-663-9000-9999

Sample Numbers

(779) 663-0000 (779) 663-1234 (779) 663-2000 (779) 663-3333 (779) 663-4444 (779) 663-5555 (779) 663-6000 (779) 663-7777 (779) 663-8888 (779) 663-9999