Prefix Information

The prefix 821 is part of area code 779 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (779-821-0000 through 779-821-9999).

Browse Numbers in This Prefix

779-821-0000-0999 779-821-1000-1999 779-821-2000-2999 779-821-3000-3999 779-821-4000-4999 779-821-5000-5999 779-821-6000-6999 779-821-7000-7999 779-821-8000-8999 779-821-9000-9999

Sample Numbers

(779) 821-0000 (779) 821-1234 (779) 821-2000 (779) 821-3333 (779) 821-4444 (779) 821-5555 (779) 821-6000 (779) 821-7777 (779) 821-8888 (779) 821-9999