Enables the directed movement of pyridoxamine into, out of or within a cell, or between cells. Pyridoxamine, 4-(aminomethyl)-5-(hydroxymethyl)-2-methylpyridin-3-ol, is one of the vitamin B6 compounds. Pyridoxal, pyridoxamine and pyridoxine are collectively known as vitamin B6, and are efficiently converted to the biologically active form of vitamin B6, pyridoxal phosphate.