Prefix Information

The prefix 644 is part of area code 816 serving Kansas City, Missouri.

This exchange contains 10,000 possible phone numbers (816-644-0000 through 816-644-9999).

Browse Numbers in This Prefix

816-644-0000-0999 816-644-1000-1999 816-644-2000-2999 816-644-3000-3999 816-644-4000-4999 816-644-5000-5999 816-644-6000-6999 816-644-7000-7999 816-644-8000-8999 816-644-9000-9999

Sample Numbers

(816) 644-0000 (816) 644-1234 (816) 644-2000 (816) 644-3333 (816) 644-4444 (816) 644-5555 (816) 644-6000 (816) 644-7777 (816) 644-8888 (816) 644-9999