Prefix Information
The prefix 340 is part of area code 716 serving Buffalo, New York.
This exchange contains 10,000 possible phone numbers (716-340-0000 through 716-340-9999).
Phone numbers with prefix 340 in area code 716. Location: Buffalo, New York.
The prefix 340 is part of area code 716 serving Buffalo, New York.
This exchange contains 10,000 possible phone numbers (716-340-0000 through 716-340-9999).