FDIC-insured bank
Alliance Community Bank — Petersburg, IL
Bank headquartered in Petersburg, Illinois, part of AC BCORP INC.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 321 N 6th St Petersburg, IL 62675 |
| County | Menard |
| Metro area | Springfield, IL |
| Website | www.bankacb.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 9631 |
| Federal Reserve RSSD ID | 924937 |
| Status | Active |
| Charter class | NM (STATE) |
| Holding company | AC BCORP INC |
| Domestic offices | 6 |
| Financials as of | June 30, 2026 |
How to find your Alliance Community Bank 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.bankacb.com.
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Offices nearest to headquarters
| Alliance Community Bank main office Petersburg, IL |
321 N 6th St, 62675 |
| New Salem Facility Petersburg, IL |
14202 State Highway 97, 62675 |
| Athens Facility Athens, IL |
200 N West St, 62613 |
| Springfield Facility Springfield, IL |
Route 29 And Andrew Road, 62707 |
| Mason City Branch Mason City, IL |
123 W Elm St, 62664 |
| Archer Branch Springfield, IL |
4427 And 4431 Yucan Drive, 62711 |
Where Alliance Community Bank has offices
Cities with the most Alliance Community Bank offices
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