Prefix Information
The prefix 991 is part of area code 973 serving Newark, New Jersey.
This exchange contains 10,000 possible phone numbers (973-991-0000 through 973-991-9999).
Phone numbers with prefix 991 in area code 973. Location: Newark, New Jersey.
The prefix 991 is part of area code 973 serving Newark, New Jersey.
This exchange contains 10,000 possible phone numbers (973-991-0000 through 973-991-9999).