Prefix Information
The prefix 640 is part of area code 682 serving Fort Worth, Texas.
This exchange contains 10,000 possible phone numbers (682-640-0000 through 682-640-9999).
Phone numbers with prefix 640 in area code 682. Location: Fort Worth, Texas.
The prefix 640 is part of area code 682 serving Fort Worth, Texas.
This exchange contains 10,000 possible phone numbers (682-640-0000 through 682-640-9999).