We're excited about the change and are moving forward to bring more and improved services to our patrons. If you've never been to the 3rd floor of the Main Library, we invite you to visit and see what we have available in our Special Collections. For those that just haven't been in a while, we invite you back and be sure to tell your friends about us. The Main Library is located at 915 Monroe Street, Huntsville, AL. Our operating hours are Monday thru Thursday 9 AM to 9 PM, Friday and Saturday 9 AM to 5 PM and Sunday 1 PM to 5 PM.