Here's a link to the reciprocity maps, I don't know of any other place to check on this site offhand. I would check your state's police website or justice or whoever handles that in your state though just to be sure.
I was from Indiana and have a Utah and Arizona and was pulled over last year. I told them I had a gun on me (Their law you have to tell them.) Used both and got a dirty look and a ticket. That was July of 2012.