NPA-NXX - 339-309

This is the 339-309 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. 339
3. 339-309

The 339-309 subcode mainly covers Kingston in Plymouth county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Massachusetts state. Many of the numbers in this subcode are Regular Landline registered to Level 3. We hear they employ a large number of people in the Massachusetts office.
Recently there have been an increase in reported calls, we've had over 494919 comments across our systems for the 339-309 subcode.