Prefix Information
The prefix 840 is part of area code 678 serving Atlanta, Georgia.
This exchange contains 10,000 possible phone numbers (678-840-0000 through 678-840-9999).
Phone numbers with prefix 840 in area code 678. Location: Atlanta, Georgia.
The prefix 840 is part of area code 678 serving Atlanta, Georgia.
This exchange contains 10,000 possible phone numbers (678-840-0000 through 678-840-9999).