Over a million requests in 2025: questions the most often addressed to the State Tax Service’s Contact Center

Press service of the State Tax Service of Ukraine, published 14 January 2026 at 16:22 Chapter: News

State Tax Service’s Contact Center processed over 1 million applications from individuals and legal entities during January – December 2025. Tax consultations are in a great demand among the taxpayers. 

In total, the State Tax Service’s Contact Center received 1 068 932 applications, of which:

- 937 608 – by phone,

- 124 446 – via chat in messengers,

- 6 878 – by e-mail.

The most often, the taxpayers asked about:

- personal income tax and military levy;

- single contribution to obligatory state social insurance;

- single tax;

- RRO/PRRO use;

- value added tax;

- status of electronic reporting processing.

In compliance with requirements of the Law of Ukraine "On citizens' appeals" in 2025, the State Tax Service’s Contact Center accepted 4 100 oral appeals received by telephone.

In 2025, systematic work continued on updating the Knowledge Base – resource with answers to the taxpayers’ questions, structured by taxation areas and payment of single contribution.

As a result of legislative changes:

- validity period of 993 unified questions and answers has been limited;

- 1 499 questions and answers have been updated and rewritten.

During the year, the taxpayers made 4.3 million visits to the Public Information and Reference Resource ZIR (https://zir.tax.gov.ua), where there are:

- independent search for answers from the Knowledge Base;

- online registration for the electronic queue for visiting the Taxpayer Service Centers and Tax Consultant Offices.

How to contact the State Tax Service’s Contact Center·    

0800 501 007 – free of charge

0 500 501 007 (Vodafone)

0 770 501 007 (Kyivstar)

0 730 501 007 (lifecell)

It is also possible to use these phones to schedule you’re the one’s to the Tax Consultant Offices and Taxpayer Service Centers, or apply online via the Public Information and Reference Resource website or the State Tax Service’s web portal.

Preliminary registration in the electronic queue is available at the link: https://zir.tax.gov.ua/main/queue/