Security Service Routing Number
The Security Service's routing number is 314088637. You will need it for both domestic and international transactions. Security Service Federal Credit Union is a San Antonio-based lending institution that has been federally authorized and insured by the National Credit Union Administration.Security Service has around 800,000 members and 66 locations in Utah, Colorado, and Texas, with total assets surpassing $10.5 billion. Security Service is the largest credit union in San Antonio, TX. Through its shared branching network, CU Service Centers, the credit union connects members to over 5,000 more credit union branches around the country.