A variety of postal or zip codes are used by the several districts and wards that make up the Orhionmwon Local Government Area (LGA) in Edo State, Nigeria.

The Orhionmwon LGA postcodes are listed below.

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