Banks in Gillette, Wyoming

We list 12 bank branches in Gillette from 9 FDIC-insured banks, in 2 ZIP codes. The most branches belong to First National Bank of Gillette (3), First Interstate Bank (2), Security State Bank (1) and ANB Bank (1).

All bank branches in Gillette

Showing 12 of 12

BankBranchAddressZIPMap
First Interstate Bank Gillette Downtown Branch 222 S Gillette Ave 82716 Map
First Interstate Bank Gillette South Branch 2801 S Douglas Hwy 82718 Map
Security State Bank Gillette Branch 2124 S Douglas Hwy 82718 Map
First National Bank of Gillette Hwy 59 Branch 2400 S Douglas Hwy 82718 Map
First National Bank of Gillette First National Bank of Gillette (main office) 319 S Gillette Ave 82716 Map
First National Bank of Gillette R C Ranch Branch 520 Running W Dr 82718 Map
ANB Bank Gillette Branch 800 E 7th St 82716 Map
First Northern Bank of Wyoming Gillette Branch 200 S Kendrick Ave 82716 Map
Pinnacle Bank - Wyoming Gillette Wy Branch 815 Madison St 82718 Map
Buffalo Federal Bank Gillette Branch 2900 S Douglas Hwy 82718 Map
Wells Fargo Bank, National Association Gillette Branch 500 S Douglas Hwy 82716 Map
U.S. Bank National Association Gillette Branch 509 S Douglas Hwy 82716 Map

Source: FDIC BankFind Suite, retrieved 2026-09-20. Hours and phone numbers are not part of this data: check the bank’s website before you visit.

Frequently asked questions

How many banks are in Gillette, WY?

Our list has 9 banks with 12 branches in Gillette. Branches open and close, so confirm with the bank.

Which bank has the most branches in Gillette?

In our list it is First National Bank of Gillette, with 3 branches.

How do I contact a branch?

The FDIC data has no phone numbers. Open the bank’s official website from its profile page here, or use the number on your card or statement.