Prefix Information

The prefix 550 is part of area code 779 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (779-550-0000 through 779-550-9999).

Browse Numbers in This Prefix

779-550-0000-0999 779-550-1000-1999 779-550-2000-2999 779-550-3000-3999 779-550-4000-4999 779-550-5000-5999 779-550-6000-6999 779-550-7000-7999 779-550-8000-8999 779-550-9000-9999

Sample Numbers

(779) 550-0000 (779) 550-1234 (779) 550-2000 (779) 550-3333 (779) 550-4444 (779) 550-5555 (779) 550-6000 (779) 550-7777 (779) 550-8888 (779) 550-9999