Prefix Information
The prefix 321 is part of area code 770 serving Marietta, Georgia.
This exchange contains 10,000 possible phone numbers (770-321-0000 through 770-321-9999).
Phone numbers with prefix 321 in area code 770. Location: Marietta, Georgia.
The prefix 321 is part of area code 770 serving Marietta, Georgia.
This exchange contains 10,000 possible phone numbers (770-321-0000 through 770-321-9999).