14°18′S 170°42′W / 14.3°S 170.7°W Area code 684 is a telephone area code in the North American Numbering Plan (NANP) for American Samoa. The numbering plan area comprises the seven islands of Tutuila, Aunuʻu, Ofu, Olosega, Taʻū, Swains Island, and Rose Atoll.