| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Osamunaicho Kita (深川市) | 078-0153 |
| Postal/ZIP Codes in Others (深川市) | 074-0000 |
| Postal/ZIP Codes in Otoecho (深川市) | 074, 078 |
| Postal/ZIP Codes in Shinkocho (深川市) | 074-0024 |
| Postal/ZIP Codes in Tadoshi (深川市) | 074-0141 |
| Postal/ZIP Codes in Tadoshiminami (深川市) | 074-0147 |
| Postal/ZIP Codes in Taishimachi (深川市) | 074-0023 |
| Postal/ZIP Codes in Takadomari (深川市) | 074-0144 |
| Postal/ZIP Codes in Ukka (深川市) | 074-0143 |
| Postal/ZIP Codes in Uma (深川市) | 074-0142 |
| Postal/ZIP Codes in Yunai (深川市) | 074-0146 |