The main SAP tcodes related to Cost Centers in the Controlling (CO) module are:
Cost Center Master Data:
KS01 – Create Cost Center
KS02 – Change Cost Center
KS03 – Display Cost Center
Cost Center Reports & Planning:
S_ALR_87013611 – Cost Centers: Actual/Plan/Variance
KSB1 – Cost Centers: Actual Line Items
KP06 – Cost Center Planning: Primary Costs and Activity Inputs