Prefix Information
The prefix 340 is part of area code 404 serving Atlanta, Georgia.
This exchange contains 10,000 possible phone numbers (404-340-0000 through 404-340-9999).
Phone numbers with prefix 340 in area code 404. Location: Atlanta, Georgia.
The prefix 340 is part of area code 404 serving Atlanta, Georgia.
This exchange contains 10,000 possible phone numbers (404-340-0000 through 404-340-9999).