Payoff Request Form. First name, Last name, Account Number (optional), Phone, Street address, Apartment, suite, etc.Please fill out the form below or see additional contact information below this form. To cancel your policy please contact the Nassau Service Center at 1-800-541-0171. Most forms may be filled out on your computer, printed and submitted for filing with the Department of State. Our online payment gateway accepts personal checks and credit cards. Member Contact Center 1-888-NASA-FCU (627-2328) 301-249-1800 Hours am - pm ET, Monday - Friday am Learn More about Personal Loans. Need to make a credit card or loan payment? SmartAsset's New York paycheck calculator shows your hourly and salary income after federal, state and local taxes.