August 20, 2018 18:58 Updated Follow You can update your mailing address online by logging on to your secure account here. Related articles How do I contact INPRS? What if I don’t know my username and password to log on to my PERF or TRF account? How do I find my INPRS Pension Identification (PID) number? How do I update my bank account for direct deposit of my retirement benefit? What is my Defined Contribution account?