Online Services - Change of Address Form After you download and complete the change of address form, please return it to our main office: Mail: PAFCU 125 Wireless Blvd Hauppauge, New York 11788 Fax: (631) 434-6652 Email: pafcu@pafcu.org Click here to download the change of address form Format: PDF File Size: 99k Your browser does not support video. Please upgrade it.