Prefix Information

The prefix 904 is part of area code 779 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (779-904-0000 through 779-904-9999).

Browse Numbers in This Prefix

779-904-0000-0999 779-904-1000-1999 779-904-2000-2999 779-904-3000-3999 779-904-4000-4999 779-904-5000-5999 779-904-6000-6999 779-904-7000-7999 779-904-8000-8999 779-904-9000-9999

Sample Numbers

(779) 904-0000 (779) 904-1234 (779) 904-2000 (779) 904-3333 (779) 904-4444 (779) 904-5555 (779) 904-6000 (779) 904-7777 (779) 904-8888 (779) 904-9999