FDIC-insured bank
INB, National Association — Springfield, IL
Bank headquartered in Springfield, Illinois, part of ILLINOIS NATIONAL BCORP INC.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 322 E Capitol Ave Springfield, IL 62701 |
| County | Sangamon |
| Metro area | Springfield, IL |
| Website | www.inb.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 3664 |
| Federal Reserve RSSD ID | 925037 |
| Status | Active |
| Charter class | N (OCC) |
| Holding company | ILLINOIS NATIONAL BCORP INC |
| Domestic offices | 14 |
| Financials as of | June 30, 2026 |
How to find your INB, National Association routing number
FDIC does not publish ABA routing numbers, and many banks use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this bank, the "account details" screen in its online banking, or its official website at www.inb.com.
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Offices nearest to headquarters
| Inb, National Association main office Springfield, IL |
322 E Capitol Ave, 62701 |
| South Sixth Street Branch Springfield, IL |
2849 S 6th St, 62703 |
| Montvale Branch Springfield, IL |
2601 Chatham Rd, 62704 |
| North Dirksen Parkway Branch Springfield, IL |
2450 N Dirksen Pkwy, 62702 |
| West Wabash Branch Springfield, IL |
3150 Wabash Ave, 62704 |
| Riverton Community Bank Branch Riverton, IL |
409 N 7th St, 62561 |
| Chatham Branch Chatham, IL |
100 E Plummer Blvd, 62629 |
| Pleasant Plains Branch Pleasant Plains, IL |
106 W Main St, 62677 |
| Mount Pulaski Branch Mount Pulaski, IL |
205 E Jefferson St, 62548 |
| East Washington Branch Bloomington, IL |
2402 E Washington St, 61704 |
| Peoria Branch Peoria, IL |
7535 N Knoxville Ave, 61614 |
| Champaign Branch Champaign, IL |
217 S Neil St, 61820 |
14 offices in total. Browse them by city through the state pages.
Where INB, National Association has offices
Cities with the most INB, National Association offices
Other banks headquartered in Springfield
| Bank of Springfield | $2 billion |
| Prairie State Bank and Trust | $840.08 million |
| Security Bank, s.b. | $244.49 million |
Largest banks headquartered elsewhere in Illinois
| BMO Bank National Association Chicago | $254.97 billion |
| The Northern Trust Company Chicago | $178.57 billion |
| CIBC Bank USA Chicago | $66.50 billion |
| Busey Bank Champaign | $18.15 billion |
| Byline Bank Chicago | $9.91 billion |
| Wintrust Bank, National Association Chicago | $9.57 billion |
| Lake Forest Bank & Trust Company, National Association Lake Forest | $9.25 billion |
| First Mid Bank & Trust, National Association Mattoon | $9.14 billion |
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