Download application forms for accounts and services, get information about credit union fees and more from Suffolk Credit Union in NY. Explore online. Need to get in touch?Suffolk Credit Union in Long Island, NY makes it easy to contact us. A payoff request can be created and mailed for free. How long does it take to obtain a payoff? With Locations in Nassau, Suffolk, Queens, Brooklyn and Manhattan, 1N Wants to be Your Bank. Suffolk offers a monthly payment plan which allows you to spread out your costs for a small fee. Suffolk County Community College will pay a student's financial aid funds based on their enrollment status as of the census date listed below for each semester. Welcome to the Office of the Suffolk County Comptroller. We are here to serve you in any way possible.