Prefix Information

The prefix 640 is part of area code 378 serving Unknown, Unknown.

This exchange contains 10,000 possible phone numbers (378-640-0000 through 378-640-9999).

Browse Numbers in This Prefix

378-640-0000-0999 378-640-1000-1999 378-640-2000-2999 378-640-3000-3999 378-640-4000-4999 378-640-5000-5999 378-640-6000-6999 378-640-7000-7999 378-640-8000-8999 378-640-9000-9999

Sample Numbers

(378) 640-0000 (378) 640-1234 (378) 640-2000 (378) 640-3333 (378) 640-4444 (378) 640-5555 (378) 640-6000 (378) 640-7777 (378) 640-8888 (378) 640-9999