Casco Northern National Bank
| Status: | Inactive as of 06/25/1976 |
| Merger - Without Assistance | |
| Successor Bank: | Casco Bank & Trust Company |
| Headquarters: | Casco Northern National Bank 295 Water Street Augusta, ME 04330 |
| Established: | 09/18/1974 |
| FDIC Insurance: | 09/18/1974 |
| FDIC Cert: | #21767 |
| Charter Class: | Commercial bank, national (federal) charter and Fed member, supervised by the Office of the Comptroller of the Currency (OCC) |
History
| 1974-09-18 | Institution established: Original name:Casco Northern National Bank | |
| 1975-11-14 | Acquired Kennebec Valley Industrial Bank (90137) in WATERVILLE, ME | |
| 1976-06-25 | Merged into and subsequently operated as part of Casco Bank & Trust Company (11372) in PORTLAND, ME | |
| 1983-09-01 | Changed name to Casco Northern Bank, National Association (4276) | |
| 1983-09-01 | Merged into and subsequently operated as part of Casco Northern Bank, National Association (4276) in PORTLAND, ME | |
| 1995-06-13 | Merged into and subsequently operated as part of Key Trust Company of Maine (26596) in PORTLAND, ME | |
| 1997-01-13 | Changed name to Key Trust Company National Association (26596) | |
| 2000-12-29 | Acquired Key Trust Company National Association (90992) in ALBANY, NY | |
| 2000-12-29 | Acquired Key Trust Company National Association (27177) in SEATTLE, WA | |
| 2000-12-29 | Acquired Key Trust Company of Ohio, National Association (33968) in CLEVELAND, OH | |
| 2000-12-29 | Acquired Key Trust Company National Association (26596) in PORTLAND, ME | |
| 2000-12-29 | Acquired Key Trust Company of Indiana, National Association (33969) in INDIANAPOLIS, IN | |
| 2000-12-29 | Merged into and subsequently operated as part of KeyBank National Association (17534) in CLEVELAND, OH | |
| 2003-01-17 | Acquired Union Bank & Trust (14708) in DENVER, CO | |
| 2003-11-20 | Reorganized. | |
| 2004-10-01 | Acquired Key Bank USA, National Association (34055) in CLEVELAND, OH | |
| 2004-11-12 | Acquired EverTrust Bank (27070) in EVERETT, WA | |
| 2005-08-01 | Acquired EverTrust Asset Management (57613) in SEATTLE, WA | |
| 2008-01-17 | Acquired Union State Bank (20119) in NANUET, NY | |
| 2014-09-30 | Acquired KeyTrust Company National Association (91385) in ANCHORAGE, AK | |
| 2016-10-08 | Acquired First Niagara Bank, National Association (16004) in BUFFALO, NY | |
| 2017-07-31 | Reorganized. |