Intercultural communications focus on the relationships among various people in intercultural contexts and discovering the sources of failure in intercultural interactions is a big gap in the history of intercultural studies and the current paper tries to fill this gap as its main objective. To this aim, the researchers of the current paper selected one hundred participants to take part in this study among whom twenty participants took part in interview sessions willingly. The participants were all English language teachers from Golestan province, Iran. To collect and analyze the data, the researchers used an ICC questionnaire and structured interview along with inductive content analysis and Wilcoxon Signed Ranks Test respectively. The findings disclosed that linguistic factors such as language proficiency level, cultural factors such as sociocultural knowledge, and affective factors such as attitude and mutual trust can be the sources of failure in intercultural communications. Also, the findings showed that the formality and informality of context along with the status of individuals in intercultural interactions can be the sources of failure, too. These findings can help the improvement of intercultural sessions, cultural therapies, and intercultural relations in intercultural context