info@topcu.org (520) 881-6262 Routing# 322174957 English / Español Join TOPCU Rates Personal Savings Debit & Checking Credit Cards Loans Digital Banking Business Resources Branches & ATMs Make a Payment Set Up Alerts Zelle® Security center Schedule Appointment Account Management Newsletters/Financial Information Disclosures & Policies Sign in ✦ Trusted Since 1935 Schedule Appointment