Prefix Information

The prefix 304 is part of area code 779 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (779-304-0000 through 779-304-9999).

Browse Numbers in This Prefix

779-304-0000-0999 779-304-1000-1999 779-304-2000-2999 779-304-3000-3999 779-304-4000-4999 779-304-5000-5999 779-304-6000-6999 779-304-7000-7999 779-304-8000-8999 779-304-9000-9999

Sample Numbers

(779) 304-0000 (779) 304-1234 (779) 304-2000 (779) 304-3333 (779) 304-4444 (779) 304-5555 (779) 304-6000 (779) 304-7777 (779) 304-8888 (779) 304-9999