FDIC-insured bank
1st Source Bank — South Bend, IN
Bank headquartered in South Bend, Indiana, part of 1ST SOURCE CORP.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 100 N Michigan St Ste B South Bend, IN 46601 |
| County | St. Joseph |
| Metro area | South Bend-Mishawaka, IN-MI |
| Website | www.1stsource.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 9087 |
| Federal Reserve RSSD ID | 991340 |
| Status | Active |
| Charter class | SM (STATE) |
| Holding company | 1ST SOURCE CORP |
| Domestic offices | 81 |
| Financials as of | June 30, 2026 |
How to find your 1st Source 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.1stsource.com.
Share one credit line with people you trust. Everyone gets their own limit.
Offices nearest to headquarters
| 1St Source Bank main office South Bend, IN |
100 N Michigan St Ste B, 46601 |
| Direct Banking-1Stsource.Com Branch South Bend, IN |
205 W Jefferson Blvd, 46601 |
| Drive-In Plaza South Bend Branch South Bend, IN |
225 N Main St, 46601 |
| Ewing Avenue Branch South Bend, IN |
2323 S Michigan St, 46614 |
| Notre Dame Branch Notre Dame, IN |
21 Lafortune Student Ctr, 46556 |
| Maple Lane Branch South Bend, IN |
2230 S Bend Ave, 46635 |
| Roseland Branch South Bend, IN |
52990 State Rd 933, 46637 |
| Erskine Martins Branch South Bend, IN |
926 Erskine Plz, 46614 |
| Ireland Road Branch South Bend, IN |
2060 E Ireland Rd, 46614 |
| Airport Branch South Bend, IN |
4105 Lincoln Way W, 46628 |
| Western Avenue Branch South Bend, IN |
4505 W Western Ave, 46619 |
| Portage Avenue Branch South Bend, IN |
3655 Portage Rd, 46628 |
81 offices in total. Browse them by city through the state pages.
Where 1st Source Bank has offices
Cities with the most 1st Source Bank offices
Largest banks headquartered elsewhere in Indiana
| Old National Bank Evansville | $73.86 billion |
| First Merchants Bank Muncie | $21.32 billion |
| Merchants Bank of Indiana Carmel | $21.17 billion |
| Centier Bank Whiting | $10.41 billion |
| German American Bank Jasper | $8.43 billion |
| Lake City Bank Warsaw | $7.24 billion |
| Horizon Bank Michigan City | $6.55 billion |
| United Fidelity Bank, fsb Evansville | $6.49 billion |
Compare before you open an account: today's CD and savings rates, the CD calculator and the savings calculator.
