Prefix Information
The prefix 640 is part of area code 404 serving Atlanta, Georgia.
This exchange contains 10,000 possible phone numbers (404-640-0000 through 404-640-9999).
Phone numbers with prefix 640 in area code 404. Location: Atlanta, Georgia.
The prefix 640 is part of area code 404 serving Atlanta, Georgia.
This exchange contains 10,000 possible phone numbers (404-640-0000 through 404-640-9999).