The research presents a need and problem in English listening
and Speaking skills of CIMB Bank Thai Bank Tellers. The authors use a questionnaire for collecting data by making the query 188 customers service who working at 48 branches of CIMB Thai Bank in three Bangkok Metropolitan areas. Furthermore, the questionnaire is tested by pilot test for reliability. The result show that customer service in the 3 of Bangkok branch need to use the English language skills of listening and speaking highest in communicate and exchange foreign currency while English is use a least to provide playing bill. In addition, found that the main factor that causes communication problems with foreign is customers are not familiar with the English accent and vocabulary, use correct according to different situations.