Account Inquiries

Do you have a question about your account or how to conduct a transaction? Ask us! We are happy to help.

Correspondence & Payments

Please send all correspondence and payments (other than Nassau Financial credit card payments, see below) to the appropriate address indicated. This includes payments you may have set up elsewhere that are directed to Nassau Financial. Please note that payments and correspondence sent to any other address may result in delayed posting.

Correspondence, and Payments

Nassau Financial Federal Credit Union

865 Merrick Avenue, Suite 250N

Westbury, NY 11590-9006

Nassau Financial Credit Card Payments

Send directly to Visa at:
P.O. Box 4521
Carol Stream, IL 60197-4521

Westbury Administrative Office/Service Center  (Limited Branch Services)

865 Merrick Avenue
Suite 250 N
Westbury, NY 11590-9006
(516) 742-4900
Fax (516) 742-6253

Please enter the building through the main entrance at the center of the building and take the elevator to the second floor. Proceed right across walkway to Nassau Financial's Westbury Service Center.

CO-OP ATM available during normal business hours M-F 8:30am-4:00pm.

Comments and Feedback

Nassau Financial Federal Credit Union
Audit/Compliance Department
P.O. Box 282
Westbury, NY 11590-9006

[email protected].

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