Prefix Information
The prefix 340 is part of area code 337 serving Lafayette, Louisiana.
This exchange contains 10,000 possible phone numbers (337-340-0000 through 337-340-9999).
Phone numbers with prefix 340 in area code 337. Location: Lafayette, Louisiana.
The prefix 340 is part of area code 337 serving Lafayette, Louisiana.
This exchange contains 10,000 possible phone numbers (337-340-0000 through 337-340-9999).