Prefix Information

The prefix 543 is part of area code 779 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (779-543-0000 through 779-543-9999).

Browse Numbers in This Prefix

779-543-0000-0999 779-543-1000-1999 779-543-2000-2999 779-543-3000-3999 779-543-4000-4999 779-543-5000-5999 779-543-6000-6999 779-543-7000-7999 779-543-8000-8999 779-543-9000-9999

Sample Numbers

(779) 543-0000 (779) 543-1234 (779) 543-2000 (779) 543-3333 (779) 543-4444 (779) 543-5555 (779) 543-6000 (779) 543-7777 (779) 543-8888 (779) 543-9999