Routing Number | Bank Name | Bank Address | Phone Number | Change Date |
| |
| | | |
| 272485725 | BI-COUNTY PTC FCU | 21511 VAN DYKE, WARREN, MI 48089-0000 | (586) 754-4214 | 2004-06-14 |
| 323274306 | BI-MART FEDERAL CREDIT UNION | PO BOX 2764, EUGENE, OR 97402-0199 | (541) 341-4674 | 2009-12-03 |
| 274975068 | BICC FEDERAL CREDIT UNION | 440 EAST 8TH STREET, MARION, IN 46942-0188 | (765) 668-0705 | 2004-02-11 |
| 211274395 | BIDDEFORD SAVINGS BANK | 254 MAIN STREET, BIDDEFORD, ME 04005-0000 | (207) 284-5906 | 2008-07-09 |
| 272481363 | BIG DUTCH FLEET CREDIT UNION | 215 E 25TH ST, HOLLAND, MI 49423-0000 | (616) 396-5000 | 2002-02-08 |
| 302373079 | BIG HORN FEDERAL SAVINGS BANK | 33 NORTH SIXTH STREET, GREYBULL, WY 82426-0000 | (307) 765-4412 | 2009-03-26 |
| 321378644 | BIG ISLAND FEDERAL CREDIT UNION | 66 LONO STREET, HILO, HI 96720-4144 | (808) 935-9778 | 2009-12-16 |
| 292176700 | BIG SKY FEDERAL CU | 990 GRAND AVENUE, BILLINGS, MT 59102-3302 | (406) 252-2527 | 1998-08-19 |
| 092905485 | BIG SKY WESTERN BANK | 4150 VALLEY COMMONS DRIVE, BOZEMAN, MT 59718-0000 | (406) 556-3811 | 2008-02-26 |
| 092901654 | BIG SKY WESTERN BANK | 4150 VALLEY COMMONS DRIVE, BOZEMAN, MT 59718-0000 | (406) 587-2922 | 2007-02-07 |