Prefix Information

The prefix 520 is part of area code 779 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (779-520-0000 through 779-520-9999).

Browse Numbers in This Prefix

779-520-0000-0999 779-520-1000-1999 779-520-2000-2999 779-520-3000-3999 779-520-4000-4999 779-520-5000-5999 779-520-6000-6999 779-520-7000-7999 779-520-8000-8999 779-520-9000-9999

Sample Numbers

(779) 520-0000 (779) 520-1234 (779) 520-2000 (779) 520-3333 (779) 520-4444 (779) 520-5555 (779) 520-6000 (779) 520-7777 (779) 520-8888 (779) 520-9999