| Locality | Postal Code |
|---|---|
| Akaho (駒ヶ根市) | 399-4117 |
| Akazuhigashi (駒ヶ根市) | 399-4105 |
| Akazumachi (駒ヶ根市) | 399-4113 |
| Chuo (駒ヶ根市) | 399-4112 |
| Higashiina (駒ヶ根市) | 399-4321 |
| Higashimachi (駒ヶ根市) | 399-4106 |
| Iizaka (駒ヶ根市) | 399-4102 |
| Kitamachi (駒ヶ根市) | 399-4111 |
| Kyozuka (駒ヶ根市) | 399-4104 |
| Minamida (駒ヶ根市) | 399-4107 |
| Nakazawa (駒ヶ根市) | 399-4231 |
| Nashinoki (駒ヶ根市) | 399-4103 |
| Others (駒ヶ根市) | 399-4100 |
| Shimodaira (駒ヶ根市) | 399-4101 |
| Shimoichiba (駒ヶ根市) | 399-4108 |
| Uwabu Kita (駒ヶ根市) | 399-4116 |
| Uwabu Minami (駒ヶ根市) | 399-4114 |
| Uwabu Sakaemachi (駒ヶ根市) | 399-4115 |