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Northern Interstate Bank, N.A. Locations & Branches Norway, Michigan
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Northern Interstate Bank, N.A. operates 5 branches from its headquarters in Norway, MI, .
Northern Interstate Bank, N.A. branch network
All 5 branches are in MICHIGAN, across 5 cities. Its largest office by deposits is the Northern Interstate Bank, N. A. office in Norway, MI, with $82.0M (48.0% of its branch deposits). It had the same number of branches on June 30, 2025.
Northern Interstate Bank, N.A. at a glance
It reports no CET1 ratio; its Tier 1 leverage ratio was 9.36% at Q2 2026, above the 9% community bank leverage ratio requirement for being considered well capitalized.
- Total assets, Q2 2026
- $193.5M
- Tier 1 leverage ratio, Q2 2026
- 9.36%
- Deposit insurance
- FDIC
- Regulator
- OCC
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1901
Full financial profile · Is Northern Interstate Bank, N.A. safe? · Northern Interstate Bank, N.A. call report · Routing number
Deposit market share
Share of all FDIC-insured deposits held in each area, from the June 30, 2026 Summary of Deposits. Rank 1 is the largest holder. Shares are by bank charter, not by holding company.
| Area | Rank | Deposit share | Deposits |
|---|---|---|---|
| City: Norway, MI (1 branch) | 1 of 1 | 100.0% | $82.0M |
| State: MI (5 branches) | 71 of 95 | <0.1% | $170.8M |
Ranked by total assets among banks headquartered in the state: Largest banks in Michigan.
Share by county and metro area
Northern Interstate Bank, N.A.'s share of FDIC-insured deposits in the counties and metro areas where it has branches, from the June 30, 2026 Summary of Deposits. Up to the ten largest of each are shown, by the bank's deposits. Rank 1 is the largest holder. Banks only: credit unions are not in the Summary of Deposits.
Counties
| County | Rank | Deposit share | Deposits | County total |
|---|---|---|---|---|
| Dickinson, MI (3 branches) | 2 of 8 | 13.6% | $99.1M | $727.1M |
| Iron, MI (1 branch) | 1 of 4 | 34.0% | $64.9M | $191.1M |
| Menominee, MI (1 branch) | 5 of 5 | 2.2% | $6.8M | $306.5M |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Iron Mountain, MI-WI (3 branches) | 3 of 9 | 11.3% | $99.1M | $878.2M |
| Marinette, WI-MI (1 branch) | 9 of 9 | 0.4% | $6.8M | $1.52B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Northern Interstate Bank, N. A. | Norway, MI | 49870 | $82.0M |
| Crystal Falls Branch | Crystal Falls, MI | 49920 | $64.9M |
| North Dickinson Branch | Sagola, MI | 49881 | $10.2M |
| Iron Mountain Branch | Iron Mountain, MI | 49801 | $6.8M |
| Powers Branch | Powers, MI | 49874 | $6.8M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 13784) · FFIEC NIC profile (RSSD 289056)