| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Oshimanaka (笠岡市) | 714-0033 |
| Postal/ZIP Codes in Oshinade (笠岡市) | 714-0076 |
| Postal/ZIP Codes in Others (笠岡市) | 714-0000 |
| Postal/ZIP Codes in Rokubancho (笠岡市) | 714-0087 |
| Postal/ZIP Codes in Sambancho (笠岡市) | 714-0084 |
| Postal/ZIP Codes in Sekido (笠岡市) | 714-0004 |
| Postal/ZIP Codes in Shinga (笠岡市) | 714-0005 |
| Postal/ZIP Codes in Shinosaka (笠岡市) | 714-0077 |
| Postal/ZIP Codes in Shinyokoshima (笠岡市) | 714-0093 |
| Postal/ZIP Codes in Shiraishijima (笠岡市) | 714-0036 |
| Postal/ZIP Codes in Shiromidai (笠岡市) | 714-0065 |
| Postal/ZIP Codes in Sonoi (笠岡市) | 714-0021 |
| Postal/ZIP Codes in Takashima (笠岡市) | 714-0035 |
| Postal/ZIP Codes in Takumicho (笠岡市) | 714-0047 |
| Postal/ZIP Codes in Tomioka (笠岡市) | 714-0092 |
| Postal/ZIP Codes in Yamaguchi (笠岡市) | 714-0007 |
| Postal/ZIP Codes in Yokoshima (笠岡市) | 714-0043 |
| Postal/ZIP Codes in Yombancho (笠岡市) | 714-0085 |
| Postal/ZIP Codes in Yoshida (笠岡市) | 714-0011 |
| Postal/ZIP Codes in Yoshihama (笠岡市) | 714-0074 |