Skip to content
Home | Contact Us | Locations | Careers | Search Log-On
Account Agreements and Disclosures: Acrobat Reader is required to view these documents.
Flagstar Bank's Client Care Services and Support is available 24/7. Call 1-866-SIGLINE.
Individuals with speech or hearing disabilities: Please utilize a telecommunications relay service (TRS), which may be reached by dialing 7-1-1, to connect with an operator who can assist you with communicating with a Flagstar Bank Client Services Associate at 1-866-SIGLINE/1-866-744-5463.
To report a lost or stolen ATM/DEBIT card, please call 1-866-SIGLINE, option 6.
Call Monitoring and Recording: If you communicate with us by telephone, we may monitor and/or record the call.