Prefix Information

The prefix 559 is part of area code 815 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (815-559-0000 through 815-559-9999).

Browse Numbers in This Prefix

815-559-0000-0999 815-559-1000-1999 815-559-2000-2999 815-559-3000-3999 815-559-4000-4999 815-559-5000-5999 815-559-6000-6999 815-559-7000-7999 815-559-8000-8999 815-559-9000-9999

Sample Numbers

(815) 559-0000 (815) 559-1234 (815) 559-2000 (815) 559-3333 (815) 559-4444 (815) 559-5555 (815) 559-6000 (815) 559-7777 (815) 559-8888 (815) 559-9999