Royal Mail has been in Canada since 2018 and operates two hubs with 27 depots.
Parcels and letters addressed to residents at Thistle Court in Aberdeen are being redirected after Royal Mail suspend deliveries.
Royal Mail launches festive postboxes to encourage people to send Christmas cards and parcels early.
The company has implemented a 'range of mitigations' to manage 'severe absence levels'.
Royal Mail staff are protesting after the workstation of an employee who was hospitalised with Covid-19 symptoms was not cleaned.