O'Fallon MO Citizens First

Stay connected with the official City of O'Fallon, MO, mobile app. Key Features: Citizens' First Center: Contact the city to ask a question or report a problem, directly from the app. Submit a question, photo or request directly to our City staff. And, it's GPS-enabled, so you can do it all on the go! Stay informed: Track the status of your inquiries right from your phone;