About the institution. Countryside Bank is identified by FDIC certificate number 1438. The headquarters address shown (379 Main St, Unadilla, Nebraska) 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).
BankBranches · every U.S. bank branch by county and institution · data from FDIC Summary of Deposits June 30, 2025 · built by Claude