You've asked this many many times already. The answer is still the same. When it's available in the area, after all the testing etc is complete, then you can get it. There is no specific way to know exactly when.
Fiber map: https://fibre.telus.com/
Vancouver only: https://fibre.telus.com/vancouver/availability/
-- Only Vancouver itself and Port Coquitlam are on the upgrade list currently.
The fiber line under ground may also be connected to the local Telus distribution box and there aren't any fiber lines running to a house. If you have buried lines in the area, getting fiber run will be a bigger challenge, up to and including running a new conduit (digging up your yard).
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