Opm Kansas City Locality Pay – It is the OPM pay scale is a system that divides the salaries into four categories, according to each team member’s position within the government. The table below shows the general schedule OPM employs to determine its national team’s member pay scale, considering next year the anticipated 2.6 percent increase across the board. Three broads categories within the government gs level. Some agencies do not follow all three categories. For example, there is a difference between the Department of Veterans Affairs (VA) and the Department of Defense (DOD) doesn’t use the same category system. However, they do use similar General Schedule OPM uses to calculate their employees’ pay but they differ in their GSS level structure in the government.