About the institution. One American Bank is identified by FDIC certificate number 6078. The headquarters address shown (549 Broadway St, Centerville, South Dakota) is the institution's main office as registered with the FDIC. For multi-state holding companies, this is the chartered bank entity's main office — which may differ from the corporate brand's perceived home or from the parent holding company's address (e.g., JPMorgan Chase Bank, N.A. is chartered in Ohio while its parent holding company sits in New York).
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