| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Namazu Tennohigashimachi (瑞穂市) | 501-0215 |
| Postal/ZIP Codes in Namazu Tennomachi (瑞穂市) | 501-0216 |
| Postal/ZIP Codes in Nanasaki (瑞穂市) | 501-0301 |
| Postal/ZIP Codes in Nobakushinden (瑞穂市) | 501-0231 |
| Postal/ZIP Codes in Nodashinden (瑞穂市) | 501-0232 |
| Postal/ZIP Codes in Others (瑞穂市) | 501-0200 |
| Postal/ZIP Codes in Otsuki (瑞穂市) | 501-0306 |
| Postal/ZIP Codes in Roku (瑞穂市) | 501-0324 |
| Postal/ZIP Codes in Saikawa (瑞穂市) | 501-0237 |
| Postal/ZIP Codes in Shigesato (瑞穂市) | 501-0311 |
| Postal/ZIP Codes in Sobue (瑞穂市) | 501-0225 |
| Postal/ZIP Codes in Tadakoshi (瑞穂市) | 501-0221 |
| Postal/ZIP Codes in Tanokami (瑞穂市) | 501-0304 |
| Postal/ZIP Codes in Ushiki (瑞穂市) | 501-0234 |
| Postal/ZIP Codes in Yokoya (瑞穂市) | 501-0321 |