Isu is a Local Government Area (LGA) in Imo State, Nigeria. Its headquarters is located in Umundugba town. Several areas are located within the LGA that use a wide range of postal or zip codes.
Here are the postal codes for Isu LGA:
Aman-Dugba
| Location | Postal Code |
| Aman-Dugba town | 474120 |
| Duriobi-Umualoma | 474120 |
| Durueghuruo-Umualoma | 474120 |
| Ndiaba | 474120 |
| Ndiuhu-Umuduru | 474120 |
| Umudike-Okporo | 474120 |
| Umudishi | 474120 |
| Umuduruoho | 474120 |
| Umuelem | 474120 |
| Umueye | 474120 |
| Umuezealachukwu | 474120 |
| Umuihoma-Umunama | 474120 |
| Umununo | 474120 |
| Umunwoke – Umuarisi | 474120 |
| Umuogwu | 474120 |
| Umuona | 474120 |
Amurie-Amanze
| Location | Postal Code |
| Amaeze | 474122 |
| Diojiaku | 474122 |
| Diokhara | 474122 |
| Dioloka | 474122 |
| Dioma | 474122 |
| Duraji | 474122 |
| Durunaoma | 474122 |
| Dururaku | 474122 |
| Ekilite | 474122 |
| Ezisu | 474122 |
| Imenyi | 474122 |
| Ndiuhu-Uloasa | 474122 |
| Nnerim | 474122 |
| Obiato | 474122 |
| Okporofo | 474122 |
| Umuchegba | 474122 |
| Umudieke | 474122 |
| Umudinre | 474122 |
| Umuduruihoma | 474122 |
| Umulolo | 474122 |
| Umunwankwu | 474122 |
| Umunwisi | 474122 |
| Umuokwaradum | 474122 |
Ekwe
| Location | Postal Code |
| Amunike | 474121 |
| Ebenano | 474121 |
| Ebenato | 474121 |
| EKWE | 474121 |
| Eluama | 474121 |
| Eziekwe | 474121 |
| Ibeama | 474121 |
| Ibenwa | 474121 |
| Nduhu | 474121 |
| Obara | 474121 |
| Odoicheku | 474121 |
| Umudibi | 474121 |
| Umudim | 474121 |
| Umuduru | 474121 |
| Umuduru-Ehie | 474121 |
| Umuduru-Ewufu | 474121 |
| Umuogra | 474121 |
| Umuoko Rokoro | 474121 |
| Umuokwara | 474121 |
Isu-Njaba
| Location | Postal Code |
| Amagbara-Ezealaire | 474125 |
| Amato | 474125 |
| Araku | 474125 |
| Dimnwanze | 474125 |
| Duruaku | 474125 |
| Duruaku-Umukpoko | 474125 |
| Duruiheneku | 474125 |
| Eluokporo | 474125 |
| Ezeduru-Okwara | 474125 |
| Ihite | 474125 |
| Ihokporo | 474125 |
| Mbaraonu-Nkwo | 474125 |
| Ndinbara | 474125 |
| Ndiuhu | 474125 |
| Nkahu | 474125 |
| Nnato | 474125 |
| Nzeneri | 474125 |
| Okwara-Nam | 474125 |
| Uba | 474125 |
| Umorji | 474125 |
| Umuchima | 474125 |
| Umudim | 474125 |
| Umuduru II | 474125 |
| Umuezealaibe | 474125 |
| Umunwamiri | 474125 |
| Umuokwara | 474125 |
| Umuokwaraku | 474125 |
Umuno-Ugba
| Location | Postal Code |
| Duruaro-Okporo | 474119 |
| Durunjaba-Okoro | 474119 |
| Umuchoko | 474119 |
| Umudigo | 474119 |
| Umudike | 474119 |
| Umudim | 474119 |
| Umudioma-Ezisu | 474119 |
| Umuduoma-Nnerim | 474119 |
| Umuduru | 474119 |
| Umuezeala | 474119 |
| Umuezeala-Ezisu | 474119 |
| Umuezeala-Nnerim | 474119 |
| Umuezealaji-Ororo | 474119 |
| Umumkwo | 474119 |
| Umunwodo | 474119 |
| Umuokebele | 474119 |
| Umuokwara | 474119 |
| Umuokwara-Dim | 474119 |
| Umuokwara-Oha | 474119 |