Prefix Information
The prefix 523 is part of area code 339 serving Quincy, Massachusetts.
This exchange contains 10,000 possible phone numbers (339-523-0000 through 339-523-9999).
Phone numbers with prefix 523 in area code 339. Location: Quincy, Massachusetts.
The prefix 523 is part of area code 339 serving Quincy, Massachusetts.
This exchange contains 10,000 possible phone numbers (339-523-0000 through 339-523-9999).