In point of changing educational technologies, processing teacher education system, teachers and students need to obtain 21st century abilities. While there are several studies on P21 skills have been made, there has been less research on English as a foreign language (EFL) teachers' teaching 21st skills. With regard to this view, the aim of this paper is to investigate EFL teachers' attitude towards 21st century skills in a city of Turkey. The background of this study is EFL teachers' professional development in implementing 21st century competences in the classrooms. The participants of the study were 56 EFL teachers from different school types. The study used the mixed method sequential explanatory strategy. The quantitative data was collected using questionnaire to examine differences in terms of EFL teachers' teaching experience and working environment and using technological tools in EFL teaching. The data were analyzed using one-way Anova test. In qualitative data, semi-structured interview was conducted with 8 EFL teachers to confirm the quantitative results. The results of these studies revealed that EFL teachers have positive attitudes towards P21 skills and implementing technological tools into EFL classrooms. The implications were provided for a larger study in other aspects of 21st century skills.