Osisioma Local Government Area (LGA) of Abia State, Nigeria, has 8 towns/districts with postal/zip codes varying with towns/districts and location.
Postal code and Zip code have no difference.
Amaitoli
| Location | Postal Code |
| Ariaria | 453113 |
| Asamoka | 453113 |
| Mbutu-Isiahia | 453113 |
| Mbutu-Umuga | 453113 |
| Oberete | 453113 |
| Ogbu | 453113 |
| Umudi | 453113 |
| Umuejijie | 453113 |
| Umuidigha | 453113 |
| Umungbede | 453113 |
| Umuocheala | 453113 |
| Umuojima-Ogbu | 453113 |
| Umuojima-Okereke | 453113 |
| Umuozo | 453113 |
Amasa
All lcoations within Amasa use the same post office and postal code. Check the table below for verification.
| Location | Postal Code |
| Amaogwuawu | 453115 |
| Amapu | 453115 |
| Amuzu | 453115 |
| Ibeku | 453115 |
| Mbutunta | 453115 |
| Umuagwu | 453115 |
| Umuihima | 453115 |
| Umuihioma | 453115 |
| Umuiimo-Osisiasa | 453115 |
| Umuimo-Amaogwuawu | 453115 |
| Umuimo-Egbelu | 453115 |
| Umuobasi | 453115 |
Aro-Ngwa
All the locations and streets within Aro-Ngwa use the same postal/zip code. Check the table below.
| Location | Postal Code |
| Obiekwesu | 453114 |
| Okpuala-Aro | 453114 |
| Umuarakpa | 453114 |
| Umuejie | 453114 |
| Umugwua | 453114 |
| Umukaa | 453114 |
| Umukai | 453114 |
| Umuohia | 453114 |
| Umuonyenkwu | 453114 |
| Umuotuo | 453114 |
Okpu-Umuobo
All the locations within Okpu-Umuobo use the same postal/zip code. Check the table below for verification.
| Location | Postal Code |
| Amauzu | 453112 |
| Mgboko-Umuete | 453112 |
| Umuaba | 453112 |
| Umuara | 453112 |
| Umuga | 453112 |
| Umuobo | 453112 |
| Uratta / Amaekpu | 453112 |
Umunneise
Every location within Umunneise use the same postal/zip code. Check the table below.
| Location | Postal Code |
| Akpa | 453116 |
| Amaiyi | 453116 |
| Amankwu | 453116 |
| Amaugha | 453116 |
| Okpalaukwu | 453116 |
| Umuaja | 453116 |
| Umuenyikwu | 453116 |
| Umugala | 453116 |
| Umuncheagu | 453116 |
| Umunpata | 453116 |
| Umuobilaha | 453116 |
| Umuohia | 453116 |
| Umuokerete | 453116 |
Uratta
All the locations within Uratta use the same postal/zip code. See the table below for verification.
| Location | Postal Code |
| Amapu-Ighengwo | 453111 |
| Egbede | 453111 |
| Egbede-Owo | 453111 |
| Egbelu-Owo | 453111 |
| Ibibi | 453111 |
| Obuzor | 453111 |
| Okpokoroala | 453111 |
| Okpokotoala | 453111 |
| Umu-Ocho | 453111 |
| Umuaduru | 453111 |
| Umuagbara | 453111 |
| Umueji | 453111 |
| Umueke | 453111 |
| Umueze | 453111 |
| Umuigwe | 453111 |
| Umuikea | 453111 |
| Umuodu-Ehichie | 453111 |
| Umuokoroegbu | 453111 |
Ugwuna-Gbo
All the location within Ugwuna-Gbo use the same postal/zip code. Check the table below for your location.
| Location | Postal Code |
| Alaoji | 453120 |
| Amaokpu-Umuitiri | 453120 |
| Amaorji | 453120 |
| Amapu-Ukebe | 453120 |
| Amapu-Umodo | 453120 |
| Amavo | 453120 |
| Amuzu-Amaikoro | 453120 |
| Asa-Amuhi | 453120 |
| Asa-Nnentu | 453120 |
| Asa-Oberie | 453120 |
| Asa-Umunka | 453120 |
| Asaumuakwa | 453120 |
| Ngwaiyiekwe | 453120 |
| Nngwa | 453120 |
| Obegu | 453120 |
| Obuzor | 453120 |
| Osusu – Aku | 453120 |
| Ozaa-Umuebukwu | 453120 |
| Ukebe | 453120 |
| Umuaja | 453120 |
| Umuama-Oke | 453120 |
| Umuchewu | 453120 |
| Umugo | 453120 |
| Umule-Osoamadi | 453120 |
| Umunkama | 453120 |
| Umuodo | 453120 |