Prefix Information

The prefix 340 is part of area code 816 serving Kansas City, Missouri.

This exchange contains 10,000 possible phone numbers (816-340-0000 through 816-340-9999).

Browse Numbers in This Prefix

816-340-0000-0999 816-340-1000-1999 816-340-2000-2999 816-340-3000-3999 816-340-4000-4999 816-340-5000-5999 816-340-6000-6999 816-340-7000-7999 816-340-8000-8999 816-340-9000-9999

Sample Numbers

(816) 340-0000 (816) 340-1234 (816) 340-2000 (816) 340-3333 (816) 340-4444 (816) 340-5555 (816) 340-6000 (816) 340-7777 (816) 340-8888 (816) 340-9999