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