Prefix Information

The prefix 640 is part of area code 713 serving Houston, Texas.

This exchange contains 10,000 possible phone numbers (713-640-0000 through 713-640-9999).

Browse Numbers in This Prefix

713-640-0000-0999 713-640-1000-1999 713-640-2000-2999 713-640-3000-3999 713-640-4000-4999 713-640-5000-5999 713-640-6000-6999 713-640-7000-7999 713-640-8000-8999 713-640-9000-9999

Sample Numbers

(713) 640-0000 (713) 640-1234 (713) 640-2000 (713) 640-3333 (713) 640-4444 (713) 640-5555 (713) 640-6000 (713) 640-7777 (713) 640-8888 (713) 640-9999