Prefix Information

The prefix 340 is part of area code 815 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (815-340-0000 through 815-340-9999).

Browse Numbers in This Prefix

815-340-0000-0999 815-340-1000-1999 815-340-2000-2999 815-340-3000-3999 815-340-4000-4999 815-340-5000-5999 815-340-6000-6999 815-340-7000-7999 815-340-8000-8999 815-340-9000-9999

Sample Numbers

(815) 340-0000 (815) 340-1234 (815) 340-2000 (815) 340-3333 (815) 340-4444 (815) 340-5555 (815) 340-6000 (815) 340-7777 (815) 340-8888 (815) 340-9999