Prefix Information

The prefix 400 is part of area code 816 serving Kansas City, Missouri.

This exchange contains 10,000 possible phone numbers (816-400-0000 through 816-400-9999).

Browse Numbers in This Prefix

816-400-0000-0999 816-400-1000-1999 816-400-2000-2999 816-400-3000-3999 816-400-4000-4999 816-400-5000-5999 816-400-6000-6999 816-400-7000-7999 816-400-8000-8999 816-400-9000-9999

Sample Numbers

(816) 400-0000 (816) 400-1234 (816) 400-2000 (816) 400-3333 (816) 400-4444 (816) 400-5555 (816) 400-6000 (816) 400-7777 (816) 400-8888 (816) 400-9999