NPA-NXX - 506-423

This is the 506-423 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. 506-423

The 506-423 subcode mainly covers Saint Leonard in Madawaska 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 Regular Landline 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 33422 comments across our systems for the 506-423 subcode.