In the charts below, we present the current carrier aggregation plans for AT&T, Verizon, USCellular, Dish, T-Mobile, and Sprint.  Green indicates that particular frequency block is used one time in the aggregation scheme.  Yellow indicates that particular frequency block is used twice in the aggregation scheme.  For both the green and yellow highlights, only one carrier can be utilized in each frequency block.  The blue highlights indicate that multiple carriers can be utilized in each frequency block (non contiguous).