Basque Country (autonomous community) | Microsoft Office | Home Office | War Office | The Office | Foreign and Commonwealth Office | United States Patent and Trademark Office | European Economic Community | Office of the Inspector General | Valencian Community | Office of Naval Research | community | Office of Strategic Services | The Office (U.S. TV series) | Economic Community of West African States | Cabinet Office | Community | Oval Office | North Carolina Community College System | Post Office Protocol | Office of Naval Intelligence | General Post Office | Community (TV series) | Colonial Office | United States Post Office Department | Met Office | The Office (UK TV series) | Office of Management and Budget | Office Depot | Ahmadiyya Muslim Community |
Before the 1980s, Moccasin telephone calls were switched by a step by step Community Dial Office.