Prefix Information
The prefix 640 is part of area code 765 serving Lafayette, Indiana.
This exchange contains 10,000 possible phone numbers (765-640-0000 through 765-640-9999).
Phone numbers with prefix 640 in area code 765. Location: Lafayette, Indiana.
The prefix 640 is part of area code 765 serving Lafayette, Indiana.
This exchange contains 10,000 possible phone numbers (765-640-0000 through 765-640-9999).