A typical abbreviation for Birch Portage: Birch Ptge. (or less commonly used: Birch Ptg.)
Time Zone: Birch Portage lies in the Central Standard Time Zone (CST) and does not observe daylight saving time. The time zone in French: CST- Heure Normale du Centre (HNC).
When there's a risk of an area code running out of phone numbers, an 'Overlay Area Code' is created that has the same geographic boundaries as the existing area code. In this case, the 306 code has been Overlayed with one of the following codes: 474 or 639. New phone numbers in the Birch Portage area will be assigned with one of these codes: 306, 474 or 639. As a result, placing a call in the Birch Portage area will require 10-digit dialing (where you enter both the area code and then the phone number).