Mailing Address United Way of Cascade County PO Box 1343 Great Falls, MT 59403 406-727-3400 (office phone) Physical address 1900 32nd Ave. NE Great Falls, MT 59414 First Name Last Name Your Personal Email Question/Comment (security question) what color is the sky? CAPTCHA This question is for testing whether or not you are a human visitor and to prevent automated spam submissions. Submit Leave this field blank