12366！12月1日起，河南全省统一！

Core Points - The Henan Provincial Taxation Bureau will unify all public contact numbers for tax-related services to a single number "12366" starting from December 1, 2025 [2][3][5] - This change aims to enhance convenience for taxpayers and the public in contacting tax authorities [3][5][6] - Previous public contact numbers for government information, tax violations reporting, and software support will no longer be operational after the transition [2][4][5]