Prefix Information

The prefix 520 is part of area code 815 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (815-520-0000 through 815-520-9999).

Browse Numbers in This Prefix

815-520-0000-0999 815-520-1000-1999 815-520-2000-2999 815-520-3000-3999 815-520-4000-4999 815-520-5000-5999 815-520-6000-6999 815-520-7000-7999 815-520-8000-8999 815-520-9000-9999

Sample Numbers

(815) 520-0000 (815) 520-1234 (815) 520-2000 (815) 520-3333 (815) 520-4444 (815) 520-5555 (815) 520-6000 (815) 520-7777 (815) 520-8888 (815) 520-9999