Cushing Services Schaller Telephone Company provides the following services to Cushing, Iowa. Our services are delivered using the latest technologies and backed by friendly, local customer support. Click on each button for service details. Internet Cable TV Telephone Subscribe Schaller Telephone Company 111 West Second Street P.O. Box 9 Schaller, Iowa 51053 Telephone: 712-275-4211 Fax: 712-275-4121 Payment Locations 24/7 Technical Support Contact Support Internet Speed Test Start Test STC CommandIQ App With our STC CommandIQ application, you can have control of your Wi-Fi in the palm of your hand!