Prefix Information

The prefix 566 is part of area code 779 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (779-566-0000 through 779-566-9999).

Browse Numbers in This Prefix

779-566-0000-0999 779-566-1000-1999 779-566-2000-2999 779-566-3000-3999 779-566-4000-4999 779-566-5000-5999 779-566-6000-6999 779-566-7000-7999 779-566-8000-8999 779-566-9000-9999

Sample Numbers

(779) 566-0000 (779) 566-1234 (779) 566-2000 (779) 566-3333 (779) 566-4444 (779) 566-5555 (779) 566-6000 (779) 566-7777 (779) 566-8888 (779) 566-9999