Prefix Information
The prefix 401 is part of area code 724 serving New Castle, Pennsylvania.
This exchange contains 10,000 possible phone numbers (724-401-0000 through 724-401-9999).
Phone numbers with prefix 401 in area code 724. Location: New Castle, Pennsylvania.
The prefix 401 is part of area code 724 serving New Castle, Pennsylvania.
This exchange contains 10,000 possible phone numbers (724-401-0000 through 724-401-9999).