MetroPCS is a prepaid wireless service in the United States that is part of T-Mobile US, Inc. MetroPCS provides nationwide talk, text, and data depending on the plan services using T-Mobile US' GSM, HSPA, HSPA+ and 4G LTE networks. MetroPCS previously operated the sixth largest mobile telecommunications network in the United States using code division multiple access (CDMA) technology. The legacy MetroPCS CDMA network has been decommissioned on June 21 of 2015. Its legacy 4G network using LTE will be integrated with T-Mobile US' own 4G LTE network.