91 Yucho - Japan Post Office 84 Yachiyo 5 Yachiyo-shi Nokyo 29 Yaizu Shinkin 1 Yamadamura Nokyo 80 Yamagata 8 Yamagata Chuo Shinkumi 7 Yamagata Daiichi Shinkumi 6 Yamagata Mogami Nokyo 33 Yamagata Nokyo 16 Yamagata Okitama Nokyo 15 Yamagata Shinkin 6 Yamagata-shi Nokyo 153 Yamaguchi 24 Yamaguchi Chuo Nokyo 13 Yamaguchi Higashi Nokyo 9 Yamaguchi Mine Nokyo 13 Yamaguchi Oshima Nokyo 19 Yamaguchi Ube Nokyo 52 Yamaguchi-ken Gyokyo 5 Yamaguchi-ken Shinkumi 3 Yamaguchi-ken Shinren 91 Yamanashi Chuo
40 Yamanashi Kenmin Shinkumi 39 Yamanashi Shinkin 1 Yamanashi-ken Shinren 19 Yamato Shinkin 11 Yanagawa Nokyo 10 Yasato Nokyo 7 Yasugi Nokyo 18 Yatsushiro Chiiki Nokyo 1 Yoichi-cho Nokyo 197 Yokohama 1 Yokohama Kagin Shinkumi 49 Yokohama Nokyo 60 Yokohama Shinkin 13 Yokosuka Hayama Nokyo 17 Yonago Shinkin 14 Yonezawa Shinkin 5 Yoshida-gun Nokyo 6 Yotei Nokyo 1 Yubari-shi Nokyo 2 Yubetsu-cho Nokyo 5 Yuki Aomori Nokyo 23 Yuki Shinkin