ADEIKLMNOSUY O Obaku Obazu Obeaka Obegi Obeke Obesema Obiakpu Obibi Obike Obinze Obiohia Obiohoro Osu Obiohuru Obizi Oboama Oboama-Nguru Obodo Obofia Obogwe Obohia Obokofia Plantation Oboku-Avu Obor Obor Ovoro Obosima Obudi-Agwa Obufie-Mmahu Obuogwu Oburugo Oburuoto Obwe Ochicha Ngugo Oforola Ogba Ogbaku Ogbelulu Ogbor Ugiri Ogbosisi Ogeh Ogele Oguta Oguta II Ogwugwu Ohaji Farm Settlement Ohaji High School Ohekelem Ohi Ohozotto Okahia Uga Okigwe Okohia Okolochi Okpofe Okporku Okporo Okpuala Okuku Okwe Okwele Okwobo Okwu-Ogbaku Okwudo Okwuohia Okwuzi Olakwo Olokwu Omicha Umu Awada Onicha Onwakiko Opala Oparanadim Opete Oratta Orieama Orieubi Orisaeze Orji Orlu Orodo Orogwe Ose-Acheke Ose-Mmahu Oseogwugwu Oseokishikpa Osina Ossu-Obodo Osuji Beach Oteru Otulu Ovoro Owala Owelu Owerri Akokwa Owerri Mediumwave Transmitter Owosha Owu ADEIKLMNOSUY