Routing Number | Bank Name | Bank Address | Phone Number | Change Date |
| |
| | | |
| 323274597 | OPC FEDERAL CREDIT UNION | PO BOX 145, DURKEE, OR 97905-0000 | (541) 877-2411 | 2002-11-04 |
| 241076110 | OPERATING ENGINEERS F.C.U. | ROOM 200, CLEVELAND, OH 44115-2619 | (216) 432-0300 | 2002-02-14 |
| 281076882 | OPERATING ENGINEERS LOCAL 148 CU | 1503 LINDELL BLVD., GRANITE CITY, IL 62040-3837 | (618) 451-7642 | 1997-04-14 |
| 321176260 | OPERATING ENGINEERS LOCAL UN #3 FCU | 250 NORTH CANYON PARKWAY, LIVERMORE, CA 94551-0000 | (925) 454-4100 | 2007-07-16 |
| 262176743 | OPP MICOLAS CREDIT UNION | 901 DOUGLAS AVENUE, OPP, AL 36467-0000 | (334) 493-6434 | 2006-05-16 |
| 304083260 | OPPD EMPLOYEES FEDERAL CREDIT UNION | 444 S. 16TH ST MALL, OMAHA, NE 68102-2247 | (402) 636-3177 | 2009-10-29 |
| 011692588 | OPPORTUNITIES CREDIT UNION | 18 PEARL STREET, BURLINGTON, VT 05401-2928 | (802) 865-3404 | 2009-06-04 |
| 111925634 | OPPORTUNITY BANK, N.A. | P.O. BOX 851197, RICHARDSON, TX 75085-1197 | (469) 385-2800 | 2007-06-28 |
| 011402079 | OPTIMA BANK AND TRUST | TWO HARBOUR PLACE, PORTSMOUTH, NH 03801-0000 | (603) 433-9606 | 2008-02-04 |
| 067015096 | OPTIMUMBANK | 3524 NORTH OCEAN BOULEVARD, FT. LAUDERDALE, FL 33308-0000 | (954) 776-2332 | 2008-05-30 |