Prefix Information

The prefix 660 is part of area code 779 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (779-660-0000 through 779-660-9999).

Browse Numbers in This Prefix

779-660-0000-0999 779-660-1000-1999 779-660-2000-2999 779-660-3000-3999 779-660-4000-4999 779-660-5000-5999 779-660-6000-6999 779-660-7000-7999 779-660-8000-8999 779-660-9000-9999

Sample Numbers

(779) 660-0000 (779) 660-1234 (779) 660-2000 (779) 660-3333 (779) 660-4444 (779) 660-5555 (779) 660-6000 (779) 660-7777 (779) 660-8888 (779) 660-9999