| № | Region | |
| 1. | Main Directorate of the STS in Vinnytsia region | vin.ikc@tax.gov.ua |
| 2. | Main Directorate of the STS in Volyn region | vl.ikc@tax.gov.ua |
| 3. | Main Directorate of the STS in Dnipropetrovsk region | dp.ikc@tax.gov.ua |
| 4. | Main Directorate of the STS in Donetsk region | lv.ikc@tax.gov.ua |
| 5. | Main Directorate of the STS in Zhytomyr region | zt.ikc@tax.gov.ua |
| 6. | Main Directorate of the STS in Trans-carpathian region | zak.ikc@tax.gov.ua |
| 7. | Main Directorate of the STS in Zaporizhzhia region | vin.ikc@tax.gov.ua |
| 8. | Main Directorate of the STS in Ivano-Frankivsk region | if.ikc@tax.gov.ua |
| 9. | Main Directorate of the STS in Kyiv region | kyivobl.ikc@tax.gov.ua |
| 10. | Main Directorate of the STS in Kirovohrad region | kr.ikc@tax.gov.ua |
| 11. | Main Directorate of the STS in Luhansk region | if.ikc@tax.gov.ua |
| 12. | Main Directorate of the STS in Lviv region | lv.ikc@tax.gov.ua |
| 13. | Main Directorate of the STS in Mykolaiv region | vl.ikc@tax.gov.ua |
| 14. | Main Directorate of the STS in Odesa region | od.ikc@tax.gov.ua |
| 15. | Main Directorate of the STS in Poltava region | poltava.ikc@tax.gov.ua |
| 16. | Main Directorate of the STS in Rivne region | rv.ikc@tax.gov.ua |
| 17. | Main Directorate of the STS in Sumy region | sumy.ikc@tax.gov.ua |
| 18. | Main Directorate of the STS in Ternopil region | tr.ikc@tax.gov.ua |
| 19. | Main Directorate of the STS in Kharkiv region | rv.ikc@tax.gov.ua |
| 20. | Main Directorate of the STS in Kherson region, the Autonomous Republic of Crimea and Sevastopol city | poltava.ikc@tax.gov.ua |
| 21. | Main Directorate of the STS in Khmelnytskyi region | km.ikc@tax.gov.ua |
| 22. | Main Directorate of the STS in Cherkasy region | ck.ikc@tax.gov.ua |
| 23. | Main Directorate of the STS in Chernivtsi region | cv.ikc@tax.gov.ua |
| 24. | Main Directorate of the STS in Chernihiv region | ch.ikc@tax.gov.ua |
| 25. | Main Directorate of the STS in Kyiv city | kyiv.ikc@tax.gov.ua |
| 26. | Central Interregional Directorate of the STS for work with large taxpayers | cvp.ikc@tax.gov.ua |
| 27. | Eastern Interregional Directorate of the STS for work with large taxpayers | evp.ikc@tax.gov.ua |
| 28. | Western Interregional Directorate of the STS for work with large taxpayers | wvp.ikc@tax.gov.ua |
| 29. | Southern Interregional Directorate of the STS for work with large taxpayers | svp.ikc@tax.gov.ua |
| 30. | Northern Interregional Directorate of the STS for work with large taxpayers | nvp.ikc@tax.gov.ua |
