NPA-NXX - 506-640

This is the 506-640 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. 506
3. 506-640

The 506-640 subcode mainly covers Saint John in Saint John county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of New Brunswick state. Many of the numbers in this subcode are Mixed registered to Aliant Telecom. We hear they employ a large number of people in the New Brunswick office.
Recently there have been an increase in reported calls, we've had over 76550 comments across our systems for the 506-640 subcode.