Prefix Information

The prefix 639 is part of area code 779 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (779-639-0000 through 779-639-9999).

Browse Numbers in This Prefix

779-639-0000-0999 779-639-1000-1999 779-639-2000-2999 779-639-3000-3999 779-639-4000-4999 779-639-5000-5999 779-639-6000-6999 779-639-7000-7999 779-639-8000-8999 779-639-9000-9999

Sample Numbers

(779) 639-0000 (779) 639-1234 (779) 639-2000 (779) 639-3333 (779) 639-4444 (779) 639-5555 (779) 639-6000 (779) 639-7777 (779) 639-8888 (779) 639-9999