| Place | Post Code |
|---|---|
| Baidder Bazar, Sonargaon | 1440 |
| Bandar, Sonargaon | 1410 |
| Bara Nagar, Sonargaon | 1441 |
| Barodi, Sonargaon | 1442 |
| All postal codes in Narayanganj | |
|---|---|
| Araihazar, Narayanganj | |
| Bandar, Narayanganj | |
| Narayanganj Sadar, Narayanganj | |
| Rupganj, Narayanganj | |
| Sonargaon, Narayanganj | |