<prompt> Ke khoutu ea sebaka efe e amanang le sebaka sa toropo ea Boston?nan  <response>: Instruction in English: What area code is associated with the Boston metropolitan area? . Response in English: The area code associated with the Boston metropolitan area is 617. Another area code that serves the surrounding areas is 857. . Response in Sesotho: Khoutu ea sebaka e amanang le sebaka sa toropo ea Boston ke 617. Khoutu e ngoe ea sebaka se sebeletsang libaka tse haufi ke 857. 