FDIC-insured bank
American State Bank & Trust Company of Williston
Bank headquartered in Williston, North Dakota, part of AMERICAN STB HOLDING CO INC.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 223 Main St Williston, ND 58801 |
| County | Williams |
| Metro area | Williston, ND |
| Website | www.asbt.bank |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 15444 |
| Federal Reserve RSSD ID | 244251 |
| Status | Active |
| Charter class | NM (STATE) |
| Holding company | AMERICAN STB HOLDING CO INC |
| Domestic offices | 2 |
| Financials as of | June 30, 2026 |
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.asbt.bank.
See how your odds compare before you apply at American State Bank & Trust Company of Williston.
Offices nearest to headquarters
| American State Bank & Trust Company Of Williston main office Williston, ND |
223 Main St, 58801 |
| North Branch Williston, ND |
2523 2nd Ave W, 58801 |
Where American State Bank & Trust Company of Williston has offices
Other banks headquartered in Williston
| First State Bank & Trust | $542.57 million |