Isiala Ngwa South is a Local Government Area of Abia State, Nigeria. Its headquarters are in the town of. Omoba is the Spelling gotten from the Pronunciation of the White man, Originally it is "UMUOBA" as "UMU" in Igbo Language means "children". The Igbo Race has "UMU" attached to most of their villages and Towns. This was a way of naming a People, Example UMU-EKEGWU meaning "The Children of EKEGWU". Omoba is a small railway town with an urban population. There are micro finance banks, an office of the Nigerian Postal Service and a daily market which attracts visitors from all around the local government. The National Integrated Power Project saw the building of a sub-power station at the heart of Omoba which has improved power supply within the town in recent times. It has an area of 258 km² and a population of 134,762 at the 2006 census. The first executive chairman is Chief Damian Ozurumba. List of Towns and Villages in Isiala Ngwa South LGA: Ovu-Ngwa: Agbaragwu Amaede Ele-na-Ekpu Iheneriala Ngwama Okpungwu Umuaja Umuakpor Umuapu I Umuapu II Umuejije Umuihi Umuotiri umuukuru Osokwa – Nvosi: Umuetegha Iheoji Ikem Mgbogbo-Ndiolumbe Nkpuruta-Ndiolumbe Ntigha Ogele-Ukwu Umuabali Umuada Isiala Nvosi: Amaiyi Amaku Ebeyi Kputuke Eziama Mgbokonta Obuba Ohuhu Ekwuru Umuawuru Umuofa Umuehim Umuejea Umuguru Umunevo Umunko Umunkpeyi Umunwanbi Umuobefu Umuogele Umuokiri Umuokpogho Umuomacha Umuezu Ovu-Okwu: Amauha Obiekwensu Okpuala Ovorji Umiri Umuakwa Umuegoro Umueleghele Umuene Umuowa Umurasi Omoba: Umugba Umuagu Umuamosi Umuezechi Umuikea Umuire Umuokoroukwu Umuoleihe Okporo Ahaba: Amuke Mba Mbutu Umuoke Okpuhie Umuajuju Umuakuma Umuenere Umuhie Umuoko Mbutu: Amankwo Egbelu-Mnbutu/Umuokere Obekwesu Okungwu Owerrinta Uhum Umogwu Umuduru Umuekwe Umueleke Umuezeocha Umuichi Umuocheala-Umuokorie Umuojima Efene Umuojima-Ukwu Umuokwu Umuagu Umuosisi Umuosoala Waterside Amaise-Ahaba: Mabedeala Nkpuka Umuacha Umuikaa Umuvo Ngwa: Amaudara Umuala Umuebi Umuezeoji Umundogu Umunta Amaise: Aga Amaokpu Nnoyi Umuekene Umunwarida The postal code of the area is 451.