This study deals with the linguistic analysis of Tigrinya-English(Tiglish) code-switching phenomenon: the case FM Radio Programs broadcasting in and around Mekelle. The rationales, which triggered the researcher to conduct such a research, are the fact that there are very few studies in Ethiopia, no research in Tigray , and the researcher was experienced with switched Tigrinya in the Tigrinya FM radio programs (TFRPs). The study aims mainly at exploring features of intrasentential code-switching on Tigrinya FM radio services (TFRSs). To address the problems and achieve the objectives, qualitative methods were employed for gathering bits of information from the selected site FM radio listeners in focus. Audio recording was used as basic tools to collect genuine information, and the bits of information were collected from bilingual TFRPs clients and the newscasters.There are bulks of code-switching occurrences on TFRPs more frequently from English and Amharic constituents; Tigrean code-switchers were engaging in code-switching incidences motivated by the sociocultural attractions. Key words: code-switching, intrasentential and Tigrinya FM Radio Program DOI: 10.7176/JLLL/67-02 Publication date: April 30 th 2020