Prefix Information
The prefix 840 is part of area code 682 serving Fort Worth, Texas.
This exchange contains 10,000 possible phone numbers (682-840-0000 through 682-840-9999).
Phone numbers with prefix 840 in area code 682. Location: Fort Worth, Texas.
The prefix 840 is part of area code 682 serving Fort Worth, Texas.
This exchange contains 10,000 possible phone numbers (682-840-0000 through 682-840-9999).