Internet Banking: 
Service First Federal Credit Union - 3901 East 10th Street - Sioux Falls, SD 57103 | Telephone: 605.336.1047 | Fax: 605.336.0103 | Email: info@servicefirstfcu.org. This Credit Union is federally-insured by the National Credit Union Administration | Routing and Transit Number: 291479903 | Privacy Policy | Sitemap
