Prefix Information
The prefix 340 is part of area code 225 serving Baton Rouge, Louisiana.
This exchange contains 10,000 possible phone numbers (225-340-0000 through 225-340-9999).
Phone numbers with prefix 340 in area code 225. Location: Baton Rouge, Louisiana.
The prefix 340 is part of area code 225 serving Baton Rouge, Louisiana.
This exchange contains 10,000 possible phone numbers (225-340-0000 through 225-340-9999).