Rushen MHK Juan Watterson says he feels angry after the Post Office announced it made millions in profits last year, but slashed back its network.
He took to Facebook, saying in March the government and Post Office said it couldn't afford subsidise its loss-making sub-post office network.
However, this month its latest annual report and accounts will be laid before Tynwald.
The financial figures show the organisation made a £3.85 million profit over the last year.
Postal vote applications have to be in soon
Mum launches petition over university support
Bus services north and south face disruption later
Wildlife Trust unveils woodland plans
Deadline looms for by-election nominations
Biker in UK hospital after Mountain crash
Trial event closes roads in Peel and Ramsey
Requisition meeting for Garff voters