| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Sumisakaminami (須坂市) | 382-0098 |
| Postal/ZIP Codes in Suzakahairandomachi (須坂市) | 382-0075 |
| Postal/ZIP Codes in Taishimachi (須坂市) | 382-0015 |
| Postal/ZIP Codes in Takabatakemachi (須坂市) | 382-0004 |
| Postal/ZIP Codes in Takahashimachi (須坂市) | 382-0016 |
| Postal/ZIP Codes in Takanashimachi (須坂市) | 382-0054 |
| Postal/ZIP Codes in Tanokamimachi (須坂市) | 382-0073 |
| Postal/ZIP Codes in Tatsumachi (須坂市) | 382-0091 |
| Postal/ZIP Codes in Tokiwacho (須坂市) | 382-0013 |
| Postal/ZIP Codes in Toyokakamimachi (須坂市) | 382-0022 |
| Postal/ZIP Codes in Toyokamachi (須坂市) | 382-0021 |
| Postal/ZIP Codes in Toyoshimamachi (須坂市) | 382-0066 |
| Postal/ZIP Codes in Yabumachi (須坂市) | 382-0094 |
| Postal/ZIP Codes in Yaemorimachi (須坂市) | 382-0051 |
| Postal/ZIP Codes in Yokomachi (須坂市) | 382-0081 |
| Postal/ZIP Codes in Yonakomachi (須坂市) | 382-0023 |
| Postal/ZIP Codes in Yonamochimachi (須坂市) | 382-0041 |