Frequently Asked Questions. Make sure you know your account number and have your current mobile number and email address on file with us.Nassau Financial will never ask for personal info like passwords or codes via calls, emails, or texts. If unsure, contact us directly at 516.742.4900. Bank letterhead; Account number; Routing number; Business name. File with the Nassau County Clerk at 240 Old Country Road, Mineola, NY 11501, the original. A certificate of Bahamian citizenship. A certificate of naturalization. You can enroll in STAR Credit Direct Deposit using your bank's ninedigit routing number and your bank account number (up to 17 characters). Where are your branches located?