Orhionmwon Local Government Area (LGA) of Edo State, Nigeria, has several districts/wards which make use of a wide range of postal or zip codes.
Here are the postcodes for Orhionmwon LGA:
Aibiokunla
| Location | Postcode |
| Abudu | 301101 |
| Ahia | 301101 |
| Egbhuru | 301101 |
Igbanke
| Location | Postcode |
| Ake | 301104 |
| Idomodin | 301104 |
| Idumiru | 301104 |
| Igbontor | 301104 |
| Obi-Ogba | 301104 |
| Ogbahu | 301104 |
| Oligie | 301104 |
| Ottah | 301104 |
| Umolua | 301104 |
| Wire-Ake | 301104 |
Oloten
| Location | Postcode |
| Egbokor | 301102 |
| Evbodamwen | 301102 |
| Evbodogun | 301102 |
| Evbodohian | 301102 |
| Evbohighae | 301102 |
| Evbokabua | 301102 |
| Evbomede I & II | 301102 |
| Idunmunlaka | 301102 |
| Iguiya | 301102 |
| Iyoba | 301102 |
| Ohezenaka | 301102 |
| Oloten | 301102 |
| Otobayi I & II | 301102 |
| Owe | 301102 |
| Ugbedun | 301102 |
| Ugbeka | 301102 |
| Uson | 301102 |
| Ute | 301102 |
Ugboko
| Location | Postcode |
| Agesa | 301103 |
| Aideyanba | 301103 |
| Ehumwin | 301103 |
| Esso | 301103 |
| Evbuarhue | 301103 |
| Idumwebo | 301103 |
| Idunowina | 301103 |
| Iguemokhua | 301103 |
| Numagbae | 301103 |
| Sakpoba | 301103 |
| Ugboko-Ugo | 301103 |
| Ugbugo | 301103 |
| Ugokoniro | 301103 |
| Ukpato | 301103 |
Ugu
| Location | Postcode |
| Azagba | 301106 |
| Edummungba | 301106 |
| Emeyon Egba | 301106 |
| Evbosi | 301106 |
| Eyaah | 301106 |
| Igbakele | 301106 |
| Igueomo | 301106 |
| Iguevbiebo | 301106 |
| Iguevioarhionmwon | 301106 |
| Iguozebahu | 301106 |
| Ihove | 301106 |
| Ikhueniro | 301106 |
| Orior | 301106 |
| Urhobuoma | 301106 |
| Uzala | 301106 |
Urho-Nigbe
| Location | Postcode |
| Idale | 301105 |
| Oliege | 301105 |
| Urhomehe | 301105 |
| Urhonigbe | 301105 |