Prefix Information
The prefix 543 is part of area code 985 serving Houma, Louisiana.
This exchange contains 10,000 possible phone numbers (985-543-0000 through 985-543-9999).
Phone numbers with prefix 543 in area code 985. Location: Houma, Louisiana.
The prefix 543 is part of area code 985 serving Houma, Louisiana.
This exchange contains 10,000 possible phone numbers (985-543-0000 through 985-543-9999).