Prefix Information

The prefix 123 is part of area code 779 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (779-123-0000 through 779-123-9999).

Browse Numbers in This Prefix

779-123-0000-0999 779-123-1000-1999 779-123-2000-2999 779-123-3000-3999 779-123-4000-4999 779-123-5000-5999 779-123-6000-6999 779-123-7000-7999 779-123-8000-8999 779-123-9000-9999

Sample Numbers

(779) 123-0000 (779) 123-1234 (779) 123-2000 (779) 123-3333 (779) 123-4444 (779) 123-5555 (779) 123-6000 (779) 123-7777 (779) 123-8888 (779) 123-9999