In the last 90 days, 13 listings have been made available, which means office spaces most likley are going fast. You'll want to be prepared to make an offer immediately. About 62% of the office spaces in the North Platte are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 170 sqft.