7696 and 7840 are also still active, rode both recently. I think the full list is
7412, 7586, 7605, 7668, 7690, 7695, 7696, 7703, 7705, 7712, 7718, 7726, 7727, 7729, 7750, 7755, 7781, 7823, 7840, 7853, 7859, 7866, 7870, 7881, 7926, 8033, 8270, 8289, 8979.