Prefix Information

The prefix 311 is part of area code 779 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (779-311-0000 through 779-311-9999).

Browse Numbers in This Prefix

779-311-0000-0999 779-311-1000-1999 779-311-2000-2999 779-311-3000-3999 779-311-4000-4999 779-311-5000-5999 779-311-6000-6999 779-311-7000-7999 779-311-8000-8999 779-311-9000-9999

Sample Numbers

(779) 311-0000 (779) 311-1234 (779) 311-2000 (779) 311-3333 (779) 311-4444 (779) 311-5555 (779) 311-6000 (779) 311-7777 (779) 311-8888 (779) 311-9999