Prefix Information
The prefix 640 is part of area code 432 serving Midland, Texas.
This exchange contains 10,000 possible phone numbers (432-640-0000 through 432-640-9999).
Phone numbers with prefix 640 in area code 432. Location: Midland, Texas.
The prefix 640 is part of area code 432 serving Midland, Texas.
This exchange contains 10,000 possible phone numbers (432-640-0000 through 432-640-9999).