Prefix Information
The prefix 640 is part of area code 914 serving Yonkers, New York.
This exchange contains 10,000 possible phone numbers (914-640-0000 through 914-640-9999).
Phone numbers with prefix 640 in area code 914. Location: Yonkers, New York.
The prefix 640 is part of area code 914 serving Yonkers, New York.
This exchange contains 10,000 possible phone numbers (914-640-0000 through 914-640-9999).