Prefix Information

The prefix 203 is part of area code 779 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (779-203-0000 through 779-203-9999).

Browse Numbers in This Prefix

779-203-0000-0999 779-203-1000-1999 779-203-2000-2999 779-203-3000-3999 779-203-4000-4999 779-203-5000-5999 779-203-6000-6999 779-203-7000-7999 779-203-8000-8999 779-203-9000-9999

Sample Numbers

(779) 203-0000 (779) 203-1234 (779) 203-2000 (779) 203-3333 (779) 203-4444 (779) 203-5555 (779) 203-6000 (779) 203-7777 (779) 203-8888 (779) 203-9999