Mailing Address FAST Federal Credit Union312 W. 7th StreetHanford, CA 93230 Online Banking Help (833) 586-84147 days a week4:00 am - 10:00 pm 24/7 (559) 584-0922 Due to COVID-19, you may experience longer hold times. Podemos hablar español. Fax (559) 587-3145 Debit Card Help Fraud & Disputes (833) 451-6672 General Inquiries (833) 451-6671 Credit Card Help (866) 599-1148 Online Form - Contact Us PRINT TO PDF