Prefix Information

The prefix 623 is part of area code 779 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (779-623-0000 through 779-623-9999).

Browse Numbers in This Prefix

779-623-0000-0999 779-623-1000-1999 779-623-2000-2999 779-623-3000-3999 779-623-4000-4999 779-623-5000-5999 779-623-6000-6999 779-623-7000-7999 779-623-8000-8999 779-623-9000-9999

Sample Numbers

(779) 623-0000 (779) 623-1234 (779) 623-2000 (779) 623-3333 (779) 623-4444 (779) 623-5555 (779) 623-6000 (779) 623-7777 (779) 623-8888 (779) 623-9999