Routing Number | Bank Name | Bank Address | Phone Number | Change Date |
| 252076798 | 1ST ALLIANCE FEDERAL CREDIT UNION | 1ST FLOOR, TOWSON, MD 21204-0000 | (410) 339-7570 | 2007-04-05 |
| 255075576 | ABERDEEN PROVING GRND FCU | 1321 PULASKI HIGHWAY, EDGEWOOD, MD 21040-0000 | (410) 272-4000 | 2002-11-13 |
| 252177752 | ABLE FCU | 14420 MCMULLEN HIGHWAY, CRESAPTWON, MD 21502-0000 | (301) 729-2499 | 2006-08-24 |
236073335 252070257 | ADVANCE BANK | 4801 SETON DR, BALTIMORE, MD 21215-0000 | (410) 358-1700 | 2008-05-22 |
| 252070257 | ADVANCE BANK | 4801 SETON DRIVE, BALTIMORE, MD 21215-0000 | (410) 358-1700 | 2008-07-18 |
| 252177118 | AL GAR FCU | 316 PACA STREET, CUMBERLAND, MD 21502-0000 | (301) 722-5446 | 1995-08-04 |
| 252176889 | ALLEGANY COUNTY TEACHERS' FCU | 14316 NATIONAL HIGHWAY SW, LAVALE, MD 21502-0000 | (301) 729-8015 | 2008-08-05 |
044072256 255073251 | AMERICAN BANK | SUITE 100, GREEN BELT, MD 20770-0000 | (301) 572-3740 | 2007-10-19 |
| 255073251 | AMERICAN BANK | SUITE 100, GREEN BELT, MD 20770-0000 | (301) 572-3740 | 2007-08-10 |
| 252075663 | AMERICAN HAMMERED FCU | 1600 WICOMICO ST, BALTIMORE, MD 21230-0000 | (410) 547-7681 | 2004-07-29 |