Routing Number | Bank Name | Bank Address | Phone Number | Change Date |
| 325182289 | 1ST SECURITY BANK OF WASHINGTON | 6920 220TH STREET SOUTHWEST, MOUNTLAKE TERRACE, WA 98043-0000 | (800) 683-0973 | 2008-06-27 |
| 325072166 | ALASKA AIRLINES/HORIZON AIR EFCU | SUITE 108, SEATAC, WA 98188-0000 | (206) 824-9800 | 2007-06-20 |
| 325180456 | ALL CITY EMPLOYEES CREDIT UNION | 3102 BROADWAY, EVERETT, WA 98201-4488 | (425) 252-3168 | 2007-06-11 |
| 325180634 | AMERICA'S CREDIT UNION, A FEDERAL CU | PO BOX 33338, FORT LEWIS, WA 98433-0338 | (253) 964-6161 | 2003-05-16 |
| 325182849 | AMERICAN LAKE CREDIT UNION | VAMC AMERICAN LAKE, TACOMA, WA 98493-0001 | (253) 584-0079 | 1999-02-22 |
| 325183039 | AMERICAN LAKE CREDIT UNION | VAMC AMERICAN LAKE, TACOMA, WA 98493-0001 | (253) 584-0079 | 1999-02-26 |
| 125104865 | AMERICAN MARINE BANK | 208 HIGH SCHOOL ROAD, BAINBRIDGE ISLAND, WA 98110-0788 | (206) 855-8574 | 2007-12-18 |
| 125104315 | AMERICAN MARINE BK DBA SILVERDALE BK | 208 HIGHSCHOOL ROAD, BAINBRIDGE ISLAND, WA 98110-0000 | (206) 855-8574 | 2007-07-19 |
125102689 125107037 | AMERICAN WEST BANK | 1611 SOUTH GEIGER BOULEVARD, SPOKANE, WA 99224-0000 | (509) 467-2346 | 2003-06-19 |
123307486 125107037 | AMERICAN WEST BANK | 1611 SOUTH GEIGER BOULEVARD, SPOKANE, WA 99224-0000 | (509) 467-2346 | 2003-06-19 |