Convenient Locations For All Your Banking Needs. Military Banking Office: 709 Metropolitan, Leavenworth, KS., Main Bank: 600 Commercial Atchison, KS., Atchison Branches: 712 Kansas Ave., Inside Country Mart West Hwy 59, Inside Wal-Mart South Hwy 73, Effingham Branch 423 Main Street, Member FDIC Equal Housing Lender