Try +1 800-461-9999Thanks Sumeet2019 for your information, do you have by any chance their contact number and also you have Website Address as well. please advise.
Also what documents we need to carry along with us . Can we do entry in US because my Dad has US Visa and on return we can do PR formalities instead of Flag poling. Please advise.
Thanks
https://www.cbsa-asfc.gc.ca/do-rb/offices-bureaux/646-eng.html
Note: Immigration services are only available from 08:00 to 23:00 7 days a week.
I believe you can fly to US and do PR formalities while returning instead of flagpolling