FDIC-insured bank

First National Bank of Gillette

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
Total assets
$651.93 million
Total deposits
$570.05 million
Branches
3
FDIC-insured since
1963
Established
1963

Headquarters and contact

Address319 S Gillette Ave
Gillette, WY 82716
CountyCampbell
Metro areaGillette, WY
Websitewww.fnbgillette.com
Phonenot published in FDIC data, see the bank's website

FDIC record

FDIC Certificate18880
Federal Reserve RSSD ID890050
StatusActive
Charter classN (OCC)
Holding companyFIRST NB GILLETTE HOLDING CO
Domestic offices3
Financials as ofJune 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.fnbgillette.com.
See how your odds compare before you apply at First National Bank of Gillette.

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