Prefix Information
The prefix 640 is part of area code 901 serving Memphis, Tennessee.
This exchange contains 10,000 possible phone numbers (901-640-0000 through 901-640-9999).
Phone numbers with prefix 640 in area code 901. Location: Memphis, Tennessee.
The prefix 640 is part of area code 901 serving Memphis, Tennessee.
This exchange contains 10,000 possible phone numbers (901-640-0000 through 901-640-9999).