A method, a device, and a non-transitory storage medium are described in which an inter-operator mobility service is provided. The service may provide provisioning decisions and configurations that may include core devices that are shared between users of a first entity and users of a second entity, or are dedicated to the users of the second entity to support a network slice and/or access to an application service for end devices associated with the second entity. The service may manage access and use of radio frequencies associated with the first and second entities based on subscription information and location of the end devices associated with first and second entities. The service may further include enabling inter-network handovers associated with end devices associated with end devices associated with the second entity.