Routing Number | Bank Name | Bank Address | Phone Number | Change Date |
| 071922777 | 1ST AMER BK | 700 BUSSE RD., ELK GROVE, IL 60007-0000 | (847) 952-3200 | 2007-02-16 |
| 071926980 | 1ST COMM BK OF HOMER GLEN & LOCKPORT | 13963 S. BELL ROAD, HOMER GLEN, IL 60491-0000 | (708) 301-5900 | 2009-01-05 |
| 071109037 | 1ST COMMUNITY BANK | 1803 SE 3RD ST, ALEDO, IL 61231-0147 | (309) 582-3531 | 2004-02-10 |
| 071925693 | 1ST EQUITY BANK | 3956 WEST DEMPSTER STREET, SKOKIE, IL 60076-0000 | (847) 676-9200 | 2004-02-12 |
| 071926333 | 1ST EQUITY BANK NORTHWEST | 1330 W DUNDEE, BUFFALO GROVE, IL 60089-0000 | (847) 253-5200 | 2003-10-16 |
| 271173368 | 1ST FED. S&L ASN OF SHELBYVILLE | 200 N MORGAN ST, SHELBYVILLE, IL 62565-0000 | (217) 774-3322 | 1999-11-04 |
| 071110819 | 1ST NAT'L BK OGDEN | 102 S EAST AVENUE, ODGEN, IL 61859-0000 | (217) 582-2175 | 2005-02-17 |
| 071110521 | 1ST NAT'L OF ARENZVILLE | 110 S CHARLES ST, ARENZVILLE, IL 62611-0000 | (217) 997-5585 | 2003-02-24 |
| 071902399 | 1ST NATL BANK OF OTTAWA | 701 LASALLE STREET, OTTAWA, IL 61350-0000 | (815) 434-0044 | 2005-03-08 |
| 081918182 | 1ST NATL BK | P.O. BOX 128, OKAWVILLE, IL 62271-0000 | (618) 243-5291 | 1997-05-06 |