Prefix Information

The prefix 340 is part of area code 872 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (872-340-0000 through 872-340-9999).

Browse Numbers in This Prefix

872-340-0000-0999 872-340-1000-1999 872-340-2000-2999 872-340-3000-3999 872-340-4000-4999 872-340-5000-5999 872-340-6000-6999 872-340-7000-7999 872-340-8000-8999 872-340-9000-9999

Sample Numbers

(872) 340-0000 (872) 340-1234 (872) 340-2000 (872) 340-3333 (872) 340-4444 (872) 340-5555 (872) 340-6000 (872) 340-7777 (872) 340-8888 (872) 340-9999