Prefix Information
The prefix 121 is part of area code 917 serving New York City, New York.
This exchange contains 10,000 possible phone numbers (917-121-0000 through 917-121-9999).
Phone numbers with prefix 121 in area code 917. Location: New York City, New York.
The prefix 121 is part of area code 917 serving New York City, New York.
This exchange contains 10,000 possible phone numbers (917-121-0000 through 917-121-9999).