The Legacy pension is held by Blumont Annuity you can Click on the link below to visit their site and get contact info.

https://www.blumontannuity.ca/en/contact.html

Here is a Direct Deposit form if you need to update banking info for Blumont.

Blumont Direct Deposit

Telus Health looks after the New pension Plan (Mirror Plan) which started at the end of the Legacy in 2018, they also make the PSP payment to retirees.

if you need to update them their number is 1-844-650-2820.

Here is a direct deposit form for them if you need to update banking 

Telus Direct Deposit