Prefix Information
The prefix 423 is part of area code 862 serving Newark, New Jersey.
This exchange contains 10,000 possible phone numbers (862-423-0000 through 862-423-9999).
Phone numbers with prefix 423 in area code 862. Location: Newark, New Jersey.
The prefix 423 is part of area code 862 serving Newark, New Jersey.
This exchange contains 10,000 possible phone numbers (862-423-0000 through 862-423-9999).