Payoff Request Form. First name, Last name, Account Number (optional), Phone, Street address, Apartment, suite, etc.The revised Form MT-15, Mortgage Recording Tax Return, is now available. Fill out the form below to request a loan payoff letter. If you have any questions, please contact Loan Customer Service at 1-800-677-6272 option 5, option 2. Filling out this form is straightforward. It lays out each fee and dollar still due before you completely pay off your mortgage. Here's how it works. Most forms may be filled out on your computer, printed and submitted for filing with the Department of State. SmartAsset's New York paycheck calculator shows your hourly and salary income after federal, state and local taxes.