Later in 1956 town names and borders were changed so that the following towns were established: Nishikujo Nishi Zao-cho, Nishikujo Higashi Shima-machi, Nishikujo Higashi Heijo-cho, Nishikujo Higashi Yanaginouchi-cho, Nishikujo Nishi Yanaginouchi-cho, Nishikujo Higashi Gokoden-cho.
その後、昭和31年に町名町界変更が行われて西蔵王町、東島町、東比永城町、東・西柳ノ内町、東御幸田町が成立。