According to various embodiments of the present invention, systems and methods for local number portability in a telecommunication network are disclosed. An embodiment of a method includes requesting a real-time (RT) customer service record (CSR) request for a telephone number (TN) associated with a local number portability (LNP) order, the requesting occurring prior to a second CSR request that occurs as part of a submit process for the LNP order; receiving, in response to the request for the RT CSR request, a RT CSR response from a telecommunications carrier that the TN is to be transferred from as part of the LNP order; and validating data in the RT CSR response in order to prevent rejections of the data in the second CSR during the LNP process. Other embodiments are also disclosed.