Prefix Information

The prefix 840 is part of area code 816 serving Kansas City, Missouri.

This exchange contains 10,000 possible phone numbers (816-840-0000 through 816-840-9999).

Browse Numbers in This Prefix

816-840-0000-0999 816-840-1000-1999 816-840-2000-2999 816-840-3000-3999 816-840-4000-4999 816-840-5000-5999 816-840-6000-6999 816-840-7000-7999 816-840-8000-8999 816-840-9000-9999

Sample Numbers

(816) 840-0000 (816) 840-1234 (816) 840-2000 (816) 840-3333 (816) 840-4444 (816) 840-5555 (816) 840-6000 (816) 840-7777 (816) 840-8888 (816) 840-9999