Prefix Information

The prefix 999 is part of area code 779 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (779-999-0000 through 779-999-9999).

Browse Numbers in This Prefix

779-999-0000-0999 779-999-1000-1999 779-999-2000-2999 779-999-3000-3999 779-999-4000-4999 779-999-5000-5999 779-999-6000-6999 779-999-7000-7999 779-999-8000-8999 779-999-9000-9999

Sample Numbers

(779) 999-0000 (779) 999-1234 (779) 999-2000 (779) 999-3333 (779) 999-4444 (779) 999-5555 (779) 999-6000 (779) 999-7777 (779) 999-8888 (779) 999-9999