In linguistics, especially in communication, code-switching, or skipping from one linguistic code (dialect or a language) to another, as a reference to the use of several languages or several dialects together, usually occurs in multilingualism groups that the speaker uses the elements of multiple diverse languages. This process is related to a number of factors, principles and specific circumstances. Khanaqin City is one of these areas where this phenomenon is witnessed and worth studying, this by taking its geographical location and political situation into consideration, and their influences on this linguistics phenomenon. Consequently, this study which is entitled Code-switching in Kurdish communication "Khanaqin Dialect as an Example", is devoted and intended to demonstrate that in linguistic sphere, it is possible to deal with the phenomenon through speech analysis. i.e., it is attempted that the code-switched linguistic forms of this area to be discussed and studied depending on linguistics criteria. In order to achieve the objectives, descriptive analysis method has been applied in this paper. The structure of the paper in spite of the preface and an introduction of the subject is outlined into two parts as follows: The first part is the theoretical aspect of the research, in a brief introduction of Khanaqin and the use of language there have been presented. The second part is the practical aspect of the study, which adresses the phenomenon of code switching, its principles and types within the scope of the research. It has been strived to elaborate the topics in the form of analysis and providing examples. The results obtained, the list of bibliography, in addition to this summary in Arabic and English languages conclude this effort.