A method of relating a dialed number to a new mobile station in a wireless network is provided. The dialed number is associated with a first mobile switching center, the new mobile station is associated with a second mobile switching center, and wireless service to the first and second mobile switching centers is provided by a common wireless service provider. The method includes: receiving a return result from a first home location register without location information, querying a second home location register, receiving a return result from the second home location register including location information, and communicating temporary routing and location information to a switch associated with the calling party. In another embodiment, the method also includes: pausing an inter-service number portability query process within the first mobile switching center. In another embodiment, a wireless network for relating the dialed number to the new mobile station is provided.