Prefix Information

The prefix 640 is part of area code 723 serving Unknown, Unknown.

This exchange contains 10,000 possible phone numbers (723-640-0000 through 723-640-9999).

Browse Numbers in This Prefix

723-640-0000-0999 723-640-1000-1999 723-640-2000-2999 723-640-3000-3999 723-640-4000-4999 723-640-5000-5999 723-640-6000-6999 723-640-7000-7999 723-640-8000-8999 723-640-9000-9999

Sample Numbers

(723) 640-0000 (723) 640-1234 (723) 640-2000 (723) 640-3333 (723) 640-4444 (723) 640-5555 (723) 640-6000 (723) 640-7777 (723) 640-8888 (723) 640-9999