Orumba North Postal Codes range from 423116 to 423199. This local government area is located in Anambra State, South-East Geopolitical Zone of Nigeria.

Here are the postal codes for Orumba North LGA:
Ajalli
| Place | Postal code |
| Ngodo Obinikpa | 423120 |
| Nkwa | 423120 |
| Obinikpa | 423120 |
| Ogbiti | 423120 |
| Ohiajana | 423120 |
| Ohiakwouru | 423120 |
| Uhuana | 423120 |
| Uhuana Obinikpa | 423120 |
| Uhuana Umueve | 423120 |
| Umuabiama | 423120 |
| Umueve | 423120 |
| Umunkwa | 423120 |
| Upata | 423120 |
| Ajango | 423120 |
| Amagu | 423120 |
| Ezibegbe | 423120 |
Akpu
| Place | Postal code |
| Amaohia | 423199 |
| Amopu | 423199 |
| Imoia | 423199 |
| Mboko | 423199 |
| Ngodo | 423199 |
| Obiofia | 423199 |
| Obunetiti | 423199 |
| Oemili | 423199 |
| Umuanaga | 423199 |
| Umueze | 423199 |
| Umuike | 423199 |
| Upata | 423199 |
| Agbaelu | 422119 |
| Upata | 422119 |
| Amaite | 422119 |
| Amaohia | 422119 |
| Amopu | 422119 |
| Imofia | 422119 |
| Mgboko | 422119 |
| Ngodo | 422119 |
| Obiofia | 422119 |
| Obunetiti | 422119 |
| Ofemili | 422119 |
| Ogbo | 422119 |
| Udo | 422119 |
| Uhala | 422119 |
| Umuanaga | 422119 |
| Umueze | 422119 |
| Umuike | 422119 |
Amaokpala
| Place | Postal code |
| Amokwe | 423123 |
| Ndikpa | 423123 |
| Umudike | 423123 |
Ameatiti
| Place | Postal code |
| Enuko | 423116 |
| Uhuana | 423116 |
| Umueghuo | 423116 |
Awa
| Place | Postal code |
| Abiaziam | 464106 |
| Akabor | 464106 |
| Awa | 464106 |
| Ejemekwuru | 464106 |
| Agbada | 423129 |
| Agbanokwe | 423129 |
| Ajango | 423129 |
| Akwulofia | 423129 |
| Amoji | 423129 |
| Egbeagu | 423129 |
| Eziobiuno | 423129 |
| Eziokbikpa | 423129 |
| Ndiokpo | 423129 |
| Obinagu | 423129 |
| Okeofia | 423129 |
| Umuefu | 423129 |
Awgbu
| Place | Postal code |
| Abor | 423128 |
| Mbuluko | 423128 |
| Osikwu | 423128 |
| Ozu na Amugo | 423128 |
| Ugwu | 423128 |
Nanka
| Place | Postal code |
| Enugwu | 423125 |
| Etti | 423125 |
| Ifite | 423125 |
| Ubaha | 423125 |
| Umudala | 423125 |
| Agbiligba | 423125 |
| Amako | 423125 |
Ndikeli-Onwu
| Place | Postal code |
| Amagu | 423126 |
| Arogwe | 423126 |
| Aronato | 423126 |
| Ezinkwo | 423126 |
| Eziokwe | 423126 |
| Ndiefele | 423126 |
| Ndikpa | 423126 |
| Ndinwedo | 423126 |
| Obinikpa | 423126 |
| Umudim | 423126 |
| Umuochu | 423126 |
Ndiokolo
| Place | Postal code |
| Anumkpu | 423117 |
| Uhuama | 423117 |
Ndiokpala
| Place | Postal code |
| Ajango | 423118 |
| Obumetiti | 423118 |
| Ojiagbeni | 423118 |
| Okpalebuteku | 423118 |
| Umuikpa | 423118 |
Ndiowu
| Place | Postal code |
| Abomgbego | 423122 |
| Agbata | 423122 |
| Enumgbom | 423122 |
| Igweakpu-Ofia Udo | 423122 |
| Obinagu | 423122 |
| Oboulhuala | 423122 |
| Ubaha | 423122 |
| Uhueze | 423122 |
| Umudiabo | 423122 |
Ndiu-Kwuenu
| Place | Postal code |
| Aguogu | 423131 |
| Ikpangene | 423131 |
| Nkpogbo | 423131 |
| Ozu | 423131 |
| Ubani | 423131 |
Oko
| Place | Postal code |
| Iware | 210103 |
| Laege | 210103 |
| Mayin | 210103 |
| Mumi | 210103 |
| Odanbon-Adare | 210103 |
| Ogede | 210103 |
| Oko | 210103 |
| Aagba Ijado | 210103 |
| Okolo | 210103 |
| Ajagunsi | 210103 |
| Onikeke | 210103 |
| Aserawo | 210103 |
| Oosu | 210103 |
| Bale Oba | 210103 |
| Origi | 210103 |
| Ebila-Temidire | 210103 |
| Owoaso | 210103 |
| Ikolo | 210103 |
| Panda | 210103 |
| Ilajue | 210103 |
| Ilogbo | 210103 |
| Ipasa | 210103 |
| Anumkpu | 423117 |
| Eziabor | 423121 |
| Ezioko | 423121 |
| Ifite | 423121 |
| Ihengwu | 423121 |
| Okeani | 423121 |
| Uhuama | 423117 |
Okpoeze
| Place | Postal code |
| Aro Neato | 423130 |
| Gbalagu | 423130 |
| Ozogu | 423130 |
| Umunkwo | 423130 |
| Umuodabiri | 423130 |
| Umuokato | 423130 |
Omogho
| Place | Postal code |
| Isiamachi | 423127 |
| Iwollo-Omogho | 423127 |
| Kolulu | 423127 |
| Umunaba | 423127 |
Ufuma
| Place | Postal code |
| Enuguaboh | 423124 |
| Ozegu | 423124 |
| Umuagu | 423124 |
| Umuaguisibe | 423124 |
| Umueji | 423124 |
| Umunebonato | 423124 |
| Umuogem | 423124 |
| Umuonyiba | 423124 |
| Umyonyinka | 423124 |