As of Monday November 8, 2021, more than 150 biggest post offices in Serbia will have longer working hours with customers on weekdays, from Monday to Friday. Instead of 7 pm, these post offices will be open until 8 pm on weekdays in the future. The post offices which worked until 7 pm on weekends and holidays, will work until 8 pm in the future.
The list of post offices that will work longer as of Monday is available here.