Prefix Information
The prefix 638 is part of area code 304 serving Charleston, West Virginia.
This exchange contains 10,000 possible phone numbers (304-638-0000 through 304-638-9999).
Phone numbers with prefix 638 in area code 304. Location: Charleston, West Virginia.
The prefix 638 is part of area code 304 serving Charleston, West Virginia.
This exchange contains 10,000 possible phone numbers (304-638-0000 through 304-638-9999).