Prefix Information

The prefix 340 is part of area code 304 serving Charleston, West Virginia.

This exchange contains 10,000 possible phone numbers (304-340-0000 through 304-340-9999).

Browse Numbers in This Prefix

304-340-0000-0999 304-340-1000-1999 304-340-2000-2999 304-340-3000-3999 304-340-4000-4999 304-340-5000-5999 304-340-6000-6999 304-340-7000-7999 304-340-8000-8999 304-340-9000-9999

Sample Numbers

(304) 340-0000 (304) 340-1234 (304) 340-2000 (304) 340-3333 (304) 340-4444 (304) 340-5555 (304) 340-6000 (304) 340-7777 (304) 340-8888 (304) 340-9999