| Place | Post Code |
|---|---|
| 七ツ森 (Nanatsumori, Iwate) | 020-0503 |
| 根堀 (Nehori, Iwate) | 020-0523 |
| 仁佐瀬 (Nisase, Iwate) | 020-0501 |
| 西安庭 (Nishianiwa, Iwate) | 020-0572 |
| 西根 (Nishine, Iwate) | 020-0584 |
| 野中 (Nonaka, Iwate) | 020-0514 |
| 沼返 (Numagaeshi, Iwate) | 020-0506 |
| 御明神 (Omyojin, Iwate) | 020-0581 |
| 鴬宿 (Oshuku, Iwate) | 020-0574 |
| その他 (Others, Iwate) | 020-0500 |
| 笹森 (Sasamori, Iwate) | 020-0551 |
| 千刈田 (Sengarida, Iwate) | 020-0541 |
| 下平 (Shimodaira, Iwate) | 020-0552 |
| 下久保 (Shimokubo, Iwate) | 020-0522 |
| 下町 (Shimomachi, Iwate) | 020-0528 |
| 下町東 (Shimomachihigashi, Iwate) | 020-0520 |
| 下町西 (Shimomachinishi, Iwate) | 020-0529 |
| 下長根 (Shimonagane, Iwate) | 020-0515 |
| 下兎野 (Shimosagino, Iwate) | 020-0513 |
| 下笹森 (Shimosasamori, Iwate) | 020-0558 |
| 下曽根田 (Shimosoneda, Iwate) | 020-0553 |
| 塩ケ森 (Shiogamori, Iwate) | 020-0512 |
| 麁津田 (Sotsuda, Iwate) | 020-0521 |
| 高前田 (Takamaeda, Iwate) | 020-0543 |
| 寺の下 (Teranoshita, Iwate) | 020-0524 |
| 繋 (Tsunagi, Iwate) | 020-0571 |
| 上野 (Uwano, Iwate) | 020-0583 |
| 谷地 (Yachi, Iwate) | 020-0545 |
| Postal Codes in Iwate | |
|---|---|
| Iwate (岩手町) | |
| Kuzumaki (葛巻町) | |
| Shizukuishi (雫石町) | |