Isoko North Local Government Area (LGA) of Delta State, Nigeria, has several Districts which all make use of different postal or zip codes.
Here are the postcodes for towns within Isoko North LGA:
Emevor
| Location | Postcode |
| Ojevbe | 334116 |
| Omoka-Camp | 334116 |
| Ovara | 334116 |
| Oviri-Camp | 334116 |
| Oyaro | 334116 |
| Ubirioho-Camp | 334116 |
| Utathe | 334116 |
| Egbahe | 334116 |
| Egubi-Camp | 334116 |
| Emevor | 334116 |
| Hope-Camp | 334116 |
| Ivrogbo | 334116 |
| Ofagbe-Emevor | 334116 |
| Ogbrohe | 334116 |
Iyede
| Location | Postcode |
| Alagba | 334118 |
| Ehor | 334118 |
| Ekiugbo | 334118 |
| Erioja-Camp | 334118 |
| Ewhokpokpo | 334118 |
| Ewhusigba | 334118 |
| Iwride-Iyede | 334118 |
| Ogewho | 334118 |
| Oghara | 334118 |
| Oghenerurie | 334118 |
| Omokpara-Camp | 334118 |
| Oteri | 334118 |
| Otor-Iyede | 334118 |
| Ulli-Iyede | 334118 |
Ofagbe
| Location | Postcode |
| Eziro | 334114 |
| Ivre-Camp | 334114 |
| Ofagbe | 334114 |
| Ovrode | 334114 |
| Ovrpe | 334114 |
Okpe-Isoko
| Location | Postcode |
| Ige | 334115 |
| Itebiege | 334115 |
| Okpe-Isoko | 334115 |
| Osabai-Okpor-Camp | 334115 |
Owhe
| Location | Postcode |
| Akiewe | 334112 |
| Otibio | 334112 |
| Christopher-Camp | 334112 |
| Otie | 334112 |
| Ebregbegbu-Camp | 334112 |
| Otor | 334112 |
| Edhemoko | 334112 |
| Urude-Camp | 334112 |
| Ekreka | 334112 |
| Ekreze-Camp | 334112 |
| Eniagbedhi | 334112 |
| Enuru | 334112 |
| Eruwha | 334112 |
| Eyaziaru | 334112 |
| Iluelogbo | 334112 |
| Kenan-Oehe-Camp | 334112 |
| Oboro-Camp | 334112 |
| Odor-Camp | 334112 |
| Okeleza-Camp | 334112 |
| Okwegbede-Camp | 334112 |
Ozoro
| Location | Postcode |
| Idaigbo | 334111 |
| Inime-Camp | 334111 |
| Okpaile | 334111 |
| Otovo-Camp | 334111 |
| Ozoro | 334111 |
Ellu
| Location | Postcode |
| Aja | 334113 |
| Anthony-Camp | 334113 |
| Aradhe | 334113 |
| Dosiah-Camp | 334113 |
| Ellu | 334113 |
| Idoni | 334113 |
| Ilaya-Camp | 334113 |
| Ishakor-Camp | 334113 |
| Oba-Camp | 334113 |
| Okoro-Egbe-Camp | 334113 |
| Ovrode-Camp | 334113 |
| Ughusi-Camp | 334113 |
| Urueme-Camp | 334113 |