Postal Code	Area
311-4301	Kamiizumi (上泉)	View
311-4302	Nakasai (那珂西)	View
311-4303	Ishitsuka (石塚)	View
311-4304	Shimoaoyama (下青山)	View
311-4305	Kamiaoyama (上青山)	View
311-4306	Harusono (春園)	View
311-4311	Mashii (増井)	View
311-4312	Isono (磯野)	View
311-4313	Kamiirino (上入野)	View
311-4314	Shimofuruuchi (下古内)	View
311-4315	Kamifuruuchi (上古内)	View
311-4316	Osaka (小坂)	View
311-4317	Katsumizawa (勝見沢)	View
311-4321	Awa (粟)	View
311-4322	Shimoakutsu (下圷)	View
311-4323	Kamiakutsu (上圷)	View
311-4324	Takaku (高久)	View
311-4325	Kitakata (北方)	View
311-4331	Iwafune (岩船)	View
311-4332	Takanedai (高根台)	View