Prefix Information
The prefix 400 is part of area code 315 serving Syracuse, New York.
This exchange contains 10,000 possible phone numbers (315-400-0000 through 315-400-9999).
Phone numbers with prefix 400 in area code 315. Location: Syracuse, New York.
The prefix 400 is part of area code 315 serving Syracuse, New York.
This exchange contains 10,000 possible phone numbers (315-400-0000 through 315-400-9999).