Prefix Information

The prefix 579 is part of area code 815 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (815-579-0000 through 815-579-9999).

Browse Numbers in This Prefix

815-579-0000-0999 815-579-1000-1999 815-579-2000-2999 815-579-3000-3999 815-579-4000-4999 815-579-5000-5999 815-579-6000-6999 815-579-7000-7999 815-579-8000-8999 815-579-9000-9999

Sample Numbers

(815) 579-0000 (815) 579-1234 (815) 579-2000 (815) 579-3333 (815) 579-4444 (815) 579-5555 (815) 579-6000 (815) 579-7777 (815) 579-8888 (815) 579-9999