Prefix Information

The prefix 528 is part of area code 815 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (815-528-0000 through 815-528-9999).

Browse Numbers in This Prefix

815-528-0000-0999 815-528-1000-1999 815-528-2000-2999 815-528-3000-3999 815-528-4000-4999 815-528-5000-5999 815-528-6000-6999 815-528-7000-7999 815-528-8000-8999 815-528-9000-9999

Sample Numbers

(815) 528-0000 (815) 528-1234 (815) 528-2000 (815) 528-3333 (815) 528-4444 (815) 528-5555 (815) 528-6000 (815) 528-7777 (815) 528-8888 (815) 528-9999