| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Iwa, Kanagawa (岩) | 259-0202 |
| Postal/ZIP Codes in Manatsuru, Kanagawa (真鶴) | 259-0201 |
| Postal/ZIP Codes in Others, Kanagawa (その他) | 259-0200 |
| Postal Codes in Ashigarashimo | |
|---|---|
| Postal/ZIP Codes in Hakone (箱根町) | |
| Postal/ZIP Codes in Manazuru (真鶴町) | |
| Postal/ZIP Codes in Yugawara (湯河原町) | |