Orhionmwon Postal Code (Zip Code) – Edo State by postalcode007 Orhionmwon Local Government Area (LGA) of Edo State, Nigeria, has several districts/wards which make use of a wide range of postal codes. Here are the postal codes for Orhionmwon … [Read more...] about Orhionmwon Postal Code (Zip Code) – Edo State