STATE EMPLOYEES CREDIT UNION - ACH Routing Number (255076753) Routing Number You can find the complete routing details about STATE EMPLOYEES CREDIT UNION, LINTHICUM below including routing number, address, phone number and other contact information in a particular City, ZIP Code, County or State. Routing Numbers are also used for routing of funds to the destination bank in e-payments (ACH Routing Number) and fedwire transfers (Fedwire Routing Number). It is a nine digit bank code, used in the United States, which identifies the financial institution of the check on which it was drawn. Routing Number 255076753 is the routing transit number of STATE EMPLOYEES CREDIT UNION situated in LINTHICUM, MD.