Prefix Information
The prefix 340 is part of area code 585 serving Rochester, New York.
This exchange contains 10,000 possible phone numbers (585-340-0000 through 585-340-9999).
Phone numbers with prefix 340 in area code 585. Location: Rochester, New York.
The prefix 340 is part of area code 585 serving Rochester, New York.
This exchange contains 10,000 possible phone numbers (585-340-0000 through 585-340-9999).