Prefix Information
The prefix 991 is part of area code 724 serving New Castle, Pennsylvania.
This exchange contains 10,000 possible phone numbers (724-991-0000 through 724-991-9999).
Phone numbers with prefix 991 in area code 724. Location: New Castle, Pennsylvania.
The prefix 991 is part of area code 724 serving New Castle, Pennsylvania.
This exchange contains 10,000 possible phone numbers (724-991-0000 through 724-991-9999).