Security State Bank Greybull WY


Security State Bank Greybull WY

Address: 901 N 6th St, Greybull, WY 82426

Phone: (307) 765-2600

Fax: (307) 765-2602


Lobby Monday to Friday: 8:30am – 1:00pm & 2:00pm – 5:30pm
Drive-Up Monday to Friday: 8:30am – 1:00pm & 2:00pm – 5:30pm

ATM located At: In the parking lot across the street, at the grocery store service desk and at Overland in Greybull



Greybull Branch President: Michael McColloch

Michael was born and raised in Greybull. He graduated from the University of Wyoming in 2001 with a Bachelor’s Degree in Computer Science. After college, he spent five years in Boise, ID and returned to Greybull in 2005. He started working at Security State Bank in April of 2011. He became the Basin Branch President in January of 2016. Currently, he serves on the bank’s IT Steering Committee, Policy Committee, Executive Loan Committee, and the Board of Directors. He was elected to the Three Rivers Health Board of Directors in 2018 and was re-elected for another two year term for 2021 and 2022.

Wyoming Proud

  • Security State Bank proudly provides banking solutions in our service communities as a premier community bank. Our goal is to create customer loyalty, shareholder value and employee satisfaction. Our bank strives to serve all of the countless financial needs of our communities.
    - Brent Miller, CEO