| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Obanazawa (尾花沢市) | 999-4221 |
| Postal/ZIP Codes in Oboroke (尾花沢市) | 999-4222 |
| Postal/ZIP Codes in Oginofukuro (尾花沢市) | 999-4552 |
| Postal/ZIP Codes in Oshikiri (尾花沢市) | 999-4205 |
| Postal/ZIP Codes in Others (尾花沢市) | 999-4200 |
| Postal/ZIP Codes in Rokusawa (尾花沢市) | 999-4442 |
| Postal/ZIP Codes in Shimmachi (尾花沢市) | 999-4224 |
| Postal/ZIP Codes in Shimmachichuo (尾花沢市) | 999-4226 |
| Postal/ZIP Codes in Shimoyanagiwatarido (尾花沢市) | 999-4334 |
| Postal/ZIP Codes in Shogon (尾花沢市) | 999-4211 |
| Postal/ZIP Codes in Takahashi (尾花沢市) | 999-4201 |
| Postal/ZIP Codes in Terauchi (尾花沢市) | 999-4551 |
| Postal/ZIP Codes in Tomiyama (尾花沢市) | 999-4206 |
| Postal/ZIP Codes in Tsuruko (尾花沢市) | 999-4443 |
| Postal/ZIP Codes in Tsurumakita (尾花沢市) | 999-4337 |
| Postal/ZIP Codes in Wakabacho (尾花沢市) | 999-4225 |
| Postal/ZIP Codes in Yokomachi (尾花沢市) | 999-4229 |