Area Code 315 – New York
The phone area code for New York is 315 (international format +1315). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 315
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of New York
Geographic Coverage and Administration
Area code 315 is a geographic North American Numbering Plan (NANP) code serving a substantial portion of Upstate New York. It is administered by the New York Public Service Commission and currently provides overlay service with area code 680. The 315/680 numbering plan area (NPA) encompasses a diverse region that includes the cities of Syracuse, Utica, and Watertown, as well as numerous smaller communities and rural areas across the central and northern parts of the state. The region is home to major educational institutions such as Syracuse University and SUNY Upstate Medical University, along with key industries including healthcare, education, manufacturing, and agriculture.
Dialing Procedures and Formats
For callers within the 315/680 overlay area, local calls require 10-digit dialing (area code + 7-digit subscriber number). This applies to all calls, including those between the same area code. For example, to call a local number in Syracuse, you would dial 315-555-0123. For international callers, the format is +1 315 555 0123 when dialing from outside the United States. The country code for the US is +1, and the area code is 315. When dialing from a mobile phone, the plus sign (+) is typically used to denote the international access code, but you can also use the specific exit code of your country (e.g., 011 from the US) followed by 1 315 555 0123.
Overlay and Number Exhaustion
To address the exhaustion of available numbers in the original 315 area code, the New York Public Service Commission introduced area code 680 as an overlay in 2017. This means that new telephone lines in the region may be assigned either 315 or 680 area codes. All calls within the region must be dialed using 10 digits, even if the call is between two numbers that share the same area code. This overlay system ensures a continuous supply of new numbers without requiring existing customers to change their numbers.
Caller Instructions
For local callers within the 315/680 region, always dial the full 10-digit number (area code + number). For callers from other parts of the United States or Canada, dial 1 (the trunk prefix) followed by 315 and the 7-digit number. For international callers, dial your country's exit code, then 1, then 315, then the 7-digit number. Remember that 315 is a geographic code, so it is tied to a specific region; however, with number portability, a 315 number may be used by a customer who has moved outside the area, though this is less common for landlines.