Here is the list of Vystar Credit Union locations with opening and closing hours, branch phone numbers as well as the routing number: 1. Vystar Credit Union Branch: West Nassau High School – Florida. Why Join Locations VyStar Branch VyStar ATM Surcharge-Free ATM Our surcharge-free network expands ATM access for VyStar members to over 20,000 ATMs nationwide at these convenient retailers VyStar debit and ATM card holders can find surcharge-free ATM locations across the US by using the Location Search above.