Can sperm banks save your sperm for later?

I'm considering getting a vasectomy, but I may want to have children a little later in life. I know there are clinics where you can donate sperm. Do those same clinics offer you a service where you could possibly store your own sperm so that you may save it for years later? If not, are there any such places I could do so? And if possible, name such places. I currently reside in San Diego, so if there's any particular place near, please say so. Thank you!!!