From 30 April 1966 , after the British representation was closed , the Sultanate of Muscat and Oman assumed postal control . After the British agency closed , the Sultanate of Muscat and Oman assumed postal control from 30 April 1966 .
Dari 30 April 1966, selepas perwakilan British ditutup, Kesultanan Muscat dan Oman mengambil alih kawalan pos. Selepas agensi British ditutup, Kesultanan Muscat dan Oman mengambil alih kawalan pos dari 30 April 1966.