Prefix Information

The prefix 540 is part of area code 779 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (779-540-0000 through 779-540-9999).

Browse Numbers in This Prefix

779-540-0000-0999 779-540-1000-1999 779-540-2000-2999 779-540-3000-3999 779-540-4000-4999 779-540-5000-5999 779-540-6000-6999 779-540-7000-7999 779-540-8000-8999 779-540-9000-9999

Sample Numbers

(779) 540-0000 (779) 540-1234 (779) 540-2000 (779) 540-3333 (779) 540-4444 (779) 540-5555 (779) 540-6000 (779) 540-7777 (779) 540-8888 (779) 540-9999