FDIC-insured bank
First National Bank of Gillette — Gillette, WY
Bank headquartered in Gillette, Wyoming, part of FIRST NB GILLETTE HOLDING CO.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 319 S Gillette Ave Gillette, WY 82716 |
| County | Campbell |
| Metro area | Gillette, WY |
| Website | www.fnbgillette.com |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 18880 |
| Federal Reserve RSSD ID | 890050 |
| Status | Active |
| Charter class | N (OCC) |
| Holding company | FIRST NB GILLETTE HOLDING CO |
| Domestic offices | 3 |
| Financials as of | June 30, 2026 |
How to find your First National Bank of Gillette 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.fnbgillette.com.
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Offices nearest to headquarters
| First National Bank Of Gillette main office Gillette, WY |
319 S Gillette Ave, 82716 |
| Hwy 59 Branch Gillette, WY |
2400 S Douglas Hwy, 82718 |
| R C Ranch Branch Gillette, WY |
520 Running W Dr, 82718 |
Where First National Bank of Gillette has offices
Cities with the most First National Bank of Gillette offices
Largest banks headquartered elsewhere in Wyoming
| Pinnacle Bank - Wyoming Cody | $1.30 billion |
| Hilltop National Bank Casper | $1.14 billion |
| The Converse County Bank Douglas | $1.09 billion |
| First Northern Bank of Wyoming Buffalo | $982.64 million |
| Platte Valley Bank Torrington | $809.18 million |
| First Federal Bank & Trust Sheridan | $621.05 million |
| Jonah Bank of Wyoming Casper | $562.80 million |
| Security State Bank Basin | $449.14 million |
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