Prefix Information
The prefix 640 is part of area code 985 serving Houma, Louisiana.
This exchange contains 10,000 possible phone numbers (985-640-0000 through 985-640-9999).
Phone numbers with prefix 640 in area code 985. Location: Houma, Louisiana.
The prefix 640 is part of area code 985 serving Houma, Louisiana.
This exchange contains 10,000 possible phone numbers (985-640-0000 through 985-640-9999).