This map predicts and approximates our wireless coverage area outdoors, which may vary from location to location and may change without notice. It may include locations with limited or no coverage. Our maps do not guarantee service availability. Even within a coverage area, there are several factors, such as: network changes, traffic volume, service outages, technical limitations, signal strength, your equipment, terrain, structures, foliage, weather, and other conditions that may interfere with actual service, quality, and availability, including the ability to make, receive, and maintain calls. Multi-band (850/1900 MHz) GSM/GPRS handset required for access to 850 Roaming Coverage. Ask a T-Mobile sales representative or visit www.t-mobile.com/morecoverage for more information regarding handset requirements and T-Mobile 850 MHz coverage. 850 MHz roaming is offered through our roaming partners; some features (e.g. picture messaging, mobile to mobile) may not be available while roaming. Learn more ›