Prefix Information

The prefix 558 is part of area code 815 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (815-558-0000 through 815-558-9999).

Browse Numbers in This Prefix

815-558-0000-0999 815-558-1000-1999 815-558-2000-2999 815-558-3000-3999 815-558-4000-4999 815-558-5000-5999 815-558-6000-6999 815-558-7000-7999 815-558-8000-8999 815-558-9000-9999

Sample Numbers

(815) 558-0000 (815) 558-1234 (815) 558-2000 (815) 558-3333 (815) 558-4444 (815) 558-5555 (815) 558-6000 (815) 558-7777 (815) 558-8888 (815) 558-9999