Washington County National Bank
| Status: | Inactive as of 06/06/1997 |
| Merger - Without Assistance | |
| Successor Bank: | American Trust Bank |
| Headquarters: | Washington County National Bank 14 West Potomac Street Williamsport, MD 21795 |
| Established: | 01/01/1815 |
| FDIC Insurance: | 01/01/1934 |
| FDIC Cert: | #4876 |
| Charter Class: | Commercial bank, national (federal) charter and Fed member, supervised by the Office of the Comptroller of the Currency (OCC) |
| Total Assets: | $147,452,000 |
| Total Deposits: | $132,575,000 |
History
| 1815-01-01 | Institution established: Original name:Washington County National Savings Bank of Williamsport | |
| 1985-01-01 | Acquired Citizens Bank of Keedysville, Washington County, Maryland (13949) in KEEDYSVILLE, MD | |
| 1985-01-01 | Changed name to Washington County National Bank | |
| 1995-09-30 | Reorganized. | |
| 1997-06-06 | Merged into and subsequently operated as part of American Trust Bank, National Association (6770) in CUMBERLAND, MD | |
| 1998-12-31 | Changed name to Keystone Financial Bank, National Association (7712) | |
| 1998-12-31 | Acquired Keystone Bank, National Association (26007) in HORSHAM, PA | |
| 1998-12-31 | Acquired Northern Central Bank (13754) in WILLIAMSPORT, PA | |
| 1998-12-31 | Acquired Keystone National Bank (34423) in LANCASTER, PA | |
| 1998-12-31 | Acquired Financial Trust Company (8417) in CARLISLE, PA | |
| 1998-12-31 | Merged into and subsequently operated as part of Keystone Financial Bank, National Association (7712) in HARRISBURG, PA | |
| 1998-12-31 | Acquired Mid-State Bank and Trust Company (9896) in ALTOONA, PA | |
| 1999-08-20 | Acquired Key Trust Company (8410) in HORSHAM, PA | |
| 1999-08-20 | Acquired Financial Trust Services Company (34086) in CARLISLE, PA | |
| 2000-10-07 | Merged into and subsequently operated as part of Manufacturers and Traders Trust Company (588) in BUFFALO, NY | |
| 2001-02-10 | Acquired Premier National Bank (6964) in POUGHKEEPSIE, NY | |
| 2003-04-01 | Acquired Allfirst Bank (4822) in BALTIMORE, MD | |
| 2003-06-14 | Acquired Allfirst Trust Company of Pennsylvania, National Association (35482) in HARRISBURG, PA | |
| 2003-06-14 | Acquired Allfirst Trust Company National Association (34466) in MCLEAN, VA | |
| 2003-07-04 | Acquired Allfirst Financial Center National Association (23834) in MILLSBORO, DE | |
| 2007-11-30 | Acquired Partners Trust Municipal Bank (614) in UTICA, NY | |
| 2007-11-30 | Acquired Partners Trust Bank (16045) in UTICA, NY | |
| 2009-05-23 | Acquired Provident Bank of Maryland (15951) in BALTIMORE, MD | |
| 2009-08-28 | Acquired Bradford Bank (28312) in BALTIMORE, MD as part of a government assisted transaction. | |
| 2010-11-05 | Acquired K Bank (31263) in RANDALLSTOWN, MD as part of a government assisted transaction. | |
| 2015-11-01 | Acquired Hudson City Savings Bank (13074) in PARAMUS, NJ |