| Country | Japan (JP) |
| UN/LOCODE | HDD |
| Name | Iwamizawa |
| Name Without Diacritics | Iwamizawa |
| Region | 1 |
| Function Code | -----6-- |
| Function | Multi-use Location |
| Status Code | AF (Approved by National Facilitation Body) |
| Date | 1501 |
| Timezone | Asia/Tokyo |
| Location (UN Format) | 4312N 14145E |
| Latitude Longitude | 43.2003, 141.7597 |