NPA-NXX - 403-456

This is the 403-456 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. 403
3. 403-456

The 403-456 subcode mainly covers Calgary in Division No. 6 county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Alberta state. Many of the numbers in this subcode are Regular Landline registered to Globility Communications Corporation. We hear they employ a large number of people in the Alberta office.
Recently there have been an increase in reported calls, we've had over 1311022 comments across our systems for the 403-456 subcode.