Categories General Knowlege Which is the official language of Universal Postal Union? Post author By esimpk Post date June 10, 2021 No Comments on Which is the official language of Universal Postal Union? A) English B) Spanish C) French D) Arabic ← Where signed the UN Convention of Law of sea? → Where is the headquarter of International Finance Corporation located? Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.