Prefix Information
The prefix 421 is part of area code 315 serving Syracuse, New York.
This exchange contains 10,000 possible phone numbers (315-421-0000 through 315-421-9999).
Phone numbers with prefix 421 in area code 315. Location: Syracuse, New York.
The prefix 421 is part of area code 315 serving Syracuse, New York.
This exchange contains 10,000 possible phone numbers (315-421-0000 through 315-421-9999).