Prefix Information
The prefix 640 is part of area code 607 serving Binghamton, New York.
This exchange contains 10,000 possible phone numbers (607-640-0000 through 607-640-9999).
Phone numbers with prefix 640 in area code 607. Location: Binghamton, New York.
The prefix 640 is part of area code 607 serving Binghamton, New York.
This exchange contains 10,000 possible phone numbers (607-640-0000 through 607-640-9999).