| Locality | Post Code |
|---|---|
| Osada (常陸大宮市) | 319-3116 |
| Osezawa (常陸大宮市) | 319-2412 |
| Otano (常陸大宮市) | 319-2602 |
| Others (常陸大宮市) | 319-2200 |
| Sakaecho (常陸大宮市) | 319-2264 |
| Senda (常陸大宮市) | 319-2416 |
| Shimocho (常陸大宮市) | 319-2262 |
| Shimohizawa (常陸大宮市) | 319-2512 |
| Shimoisehata (常陸大宮市) | 311-4615 |
| Shimoiwase (常陸大宮市) | 319-2141 |
| Shimomurata (常陸大宮市) | 319-2131 |
| Shimose (常陸大宮市) | 319-2402 |
| Shiobara (常陸大宮市) | 319-2202 |
| Tagochicho (常陸大宮市) | 319-2256 |
| Takabu (常陸大宮市) | 319-2601 |
| Takasu (常陸大宮市) | 319-2214 |
| Takawataricho (常陸大宮市) | 319-2253 |
| Tatsunokuchi (常陸大宮市) | 319-2201 |
| Teruda (常陸大宮市) | 319-2227, 319-3115 |
| Teruyama (常陸大宮市) | 319-3113 |
| Tomioka (常陸大宮市) | 319-2204 |
| Tono (常陸大宮市) | 319-2224 |
| Torinoko (常陸大宮市) | 319-2603 |
| Ubagacho (常陸大宮市) | 319-2251 |
| Uruno (常陸大宮市) | 319-2145 |
| Wakabayashi (常陸大宮市) | 319-2222 |