Prefix Information

The prefix 638 is part of area code 779 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (779-638-0000 through 779-638-9999).

Browse Numbers in This Prefix

779-638-0000-0999 779-638-1000-1999 779-638-2000-2999 779-638-3000-3999 779-638-4000-4999 779-638-5000-5999 779-638-6000-6999 779-638-7000-7999 779-638-8000-8999 779-638-9000-9999

Sample Numbers

(779) 638-0000 (779) 638-1234 (779) 638-2000 (779) 638-3333 (779) 638-4444 (779) 638-5555 (779) 638-6000 (779) 638-7777 (779) 638-8888 (779) 638-9999