Prefix Information

The prefix 636 is part of area code 779 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (779-636-0000 through 779-636-9999).

Browse Numbers in This Prefix

779-636-0000-0999 779-636-1000-1999 779-636-2000-2999 779-636-3000-3999 779-636-4000-4999 779-636-5000-5999 779-636-6000-6999 779-636-7000-7999 779-636-8000-8999 779-636-9000-9999

Sample Numbers

(779) 636-0000 (779) 636-1234 (779) 636-2000 (779) 636-3333 (779) 636-4444 (779) 636-5555 (779) 636-6000 (779) 636-7777 (779) 636-8888 (779) 636-9999