Prefix Information

The prefix 821 is part of area code 816 serving Kansas City, Missouri.

This exchange contains 10,000 possible phone numbers (816-821-0000 through 816-821-9999).

Browse Numbers in This Prefix

816-821-0000-0999 816-821-1000-1999 816-821-2000-2999 816-821-3000-3999 816-821-4000-4999 816-821-5000-5999 816-821-6000-6999 816-821-7000-7999 816-821-8000-8999 816-821-9000-9999

Sample Numbers

(816) 821-0000 (816) 821-1234 (816) 821-2000 (816) 821-3333 (816) 821-4444 (816) 821-5555 (816) 821-6000 (816) 821-7777 (816) 821-8888 (816) 821-9999