Prefix Information
The prefix 640 is part of area code 806 serving Lubbock, Texas.
This exchange contains 10,000 possible phone numbers (806-640-0000 through 806-640-9999).
Phone numbers with prefix 640 in area code 806. Location: Lubbock, Texas.
The prefix 640 is part of area code 806 serving Lubbock, Texas.
This exchange contains 10,000 possible phone numbers (806-640-0000 through 806-640-9999).