Prefix Information

The prefix 340 is part of area code 713 serving Houston, Texas.

This exchange contains 10,000 possible phone numbers (713-340-0000 through 713-340-9999).

Browse Numbers in This Prefix

713-340-0000-0999 713-340-1000-1999 713-340-2000-2999 713-340-3000-3999 713-340-4000-4999 713-340-5000-5999 713-340-6000-6999 713-340-7000-7999 713-340-8000-8999 713-340-9000-9999

Sample Numbers

(713) 340-0000 (713) 340-1234 (713) 340-2000 (713) 340-3333 (713) 340-4444 (713) 340-5555 (713) 340-6000 (713) 340-7777 (713) 340-8888 (713) 340-9999