Prefix Information

The prefix 578 is part of area code 815 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (815-578-0000 through 815-578-9999).

Browse Numbers in This Prefix

815-578-0000-0999 815-578-1000-1999 815-578-2000-2999 815-578-3000-3999 815-578-4000-4999 815-578-5000-5999 815-578-6000-6999 815-578-7000-7999 815-578-8000-8999 815-578-9000-9999

Sample Numbers

(815) 578-0000 (815) 578-1234 (815) 578-2000 (815) 578-3333 (815) 578-4444 (815) 578-5555 (815) 578-6000 (815) 578-7777 (815) 578-8888 (815) 578-9999