NPA-NXX - 315-203

This is the 315-203 subcode (NPA-NXX) prefix page. Follow a prefix to find the number you are looking for. We divide our pages up to make them more user friendly to navigate!

1. Area Codes
2. 315
3. 315-203

The 315-203 subcode mainly covers Adams in Jefferson county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of New York state. Many of the numbers in this subcode are Regular Landline registered to Tw Telecom. We hear they employ a large number of people in the New York office.
Recently there have been an increase in reported calls, we've had over 116229 comments across our systems for the 315-203 subcode.