Established 1935. TOPCU was originally located at Fire Station #1 in downtown Tucson. From day one we have always come through for our members. Tired of ATM fees? Wells Fargo ATMS in Tucson: 25 Chase ATMS in Tucson: 33 TOPCU surcharge free ATMs in Tucson: 155 Learn more REWARD YOURSELF Earn 2X points with every purchase made on the TOPCU Visa Platinum Rewards card. Points are redeemable for merchandise, discounted travel, gift cards and now cash back. Apply Today Member Notice We are not renewing the lease for the downtown branch. Effective March 29, 2019, visit any of our branch locations, including our main office located at 2500 E 22nd street to assist with all your financial needs.