Owerri is a town, and the capital city of Imo State, Nigeria. Owerri is the largest city in Imo State.
Area: Aladinma Estate
| STREETS | ZIPCODES |
| Afikpo | 460231 |
| Amaze Njoku | 460231 |
| Arochukwu | 460231 |
| Arugo | 460231 |
| Egbema | 460231 |
| Etiti | 460231 |
| Ezioha | 460231 |
| Lake Nwaebere | 460231 |
| Mbano | 460231 |
| Ngor Okpala | 460231 |
| Ngwa | 460231 |
| Oguta | 460231 |
| Okeikpe | 460231 |
| Umuahia | 460231 |
Area: Aladinma Northern Extention
| STREETS | ZIPCODES |
| Bishop Court | 460232 |
| Configuration | 460232 |
| Fair child | 460232 |
| Isikwuato | 460232 |
| Other unnamed Rd. | 460232 |
| Waec | 460232 |
Area: Uzi Layout
| STREETS | ZIPCODES |
| Amadi | 460241 |
| Amaram | 460241 |
| Amaram Ext. | 460241 |
| Anokwu | 460241 |
| Chidomara | 460241 |
| Chikwere | 460241 |
| Christ Church Cl. | 460241 |
| Egbu Rd. | 460241 |
| Ejiaku | 460241 |
| Ekeada | 460241 |
| Ihugba | 460241 |
| Izii Ln. | 460241 |
| Kagba | 460241 |
| Lagos St. | 460241 |
| Madumere | 460241 |
| Mbaise | 460241 |
| Mere | 460241 |
| Odor | 460241 |
| Odueze St. | 460241 |
| Oguoma St. | 460241 |
| Okorie Rd. | 460241 |
| Onumiri St. | 460241 |
| Onyeche | 460241 |
| Oparaugo | 460241 |
| Oyima | 460241 |
| Ozubi St. | 460241 |
| School | 460241 |
| Tetlow | 460241 |
| Ukaegbu St. | 460241 |
| Zander | 460241 |
Area: Umueche
| STREETS | ZIPCODES |
| Amaigbo St. | 460261 |
| Edede St. | 460261 |
| Emekuku Ln. | 460261 |
| Emmanuel College L/out | 460261 |
| Enwereji Ln. | 460261 |
| Housa Qtrs. | 460261 |
| Nekede Td | 460261 |
| NEPA | 460261 |
| New Market | 460261 |
| Nworie Stream | 460261 |
| Ogugba | 460261 |
| Old Market Rd. | 460261 |
| Oparanozie St. | 460261 |
| Orlu St. | 460261 |
| Osina St. | 460261 |
| Rotobi St. | 460261 |
| Royce Rd. | 460261 |
| Uche St. | 460261 |
| Umezuruike St. | 460261 |
Area: Ikenegbu Layout
| STREETS | ZIPCODES |
| Akwa Ibom Market | 460242 |
| Baptist Church | 460242 |
| Cementry | 460242 |
| Chukwuma Nwonadi | 460242 |
| Dan Anyia Stadium | 460242 |
| Egbu Rd. | 460242 |
| Ekwema Cr. | 460242 |
| Govt. Trade Centre | 460242 |
| IIC Yard | 460242 |
| MCC Uratta Rd. | 460242 |
| Wetheral Rd. | 460242 |
Area: Umuodu
| STREETS | ZIPCODE |
| Abatoirs vet office | 460243 |
| Assumpta Pry/Nursery | 460243 |
| Fire Service Station | 460243 |
| I.B.C. compound | 460243 |
| Imo Newspapers | 460243 |
| Lobo Extention | 460243 |
| Old Aba Rd. | 460243 |
| Tanmeri Stream | 460243 |
| Timber Market | 460243 |
Area: Umuoyima Emmanuel College Layout
| STREETS | ZIPCODES |
| Aba Rd. | 460251 |
| Nekede Rd. | 460251 |
| New Market | 460251 |
| Nworie St. | 460251 |
| Old Aba Rd. | 460251 |
| Tamari Stream Area | 460251 |
| Ubochi St. | 460251 |
Area: Nekede
| STREETS | ZIPCODES |
| Nekede Rd. | 460262 |
| New General Hospital Rd. | 460262 |
Area: New Owerri
| STREETS | ZIPCODES |
| I.T.V. | 460271 |
| New General Hospital | 460271 |
| Nworie Stream | 460271 |
| Owerri Girls Sec. School | 460271 |
| Port Harcourt-Owerri Rd. | 460271 |
| Qworld Bank Housing Rd. | 460271 |
Area: Arugo Layout
| STREETS | ZIPCODES |
| Akajiaku Estate | 460281 |
| Alvan Ikoku College of Edu. | 460281 |
| Chief Magistrate Court | 460281 |
| Euason Ind. | 460281 |
| Federal Medical Centre | 460281 |
| Fuason Estate | 460281 |
| Holy Christ College | 460281 |
| Life Line Assembly | 460281 |
| Mobile Police Post | 460281 |
| Motor Park | 460281 |
| Onitsha Rd. | 460281 |
| Orlu | 460281 |
| State Secretariat | 460281 |
Area: State High Court
| STREETS | ZIPCODES |
| Assumpta Ave. | 460211 |
| Cabinet Office | 460211 |
| Govt. Secondary School | 460211 |
| Modotel Ln. | 460211 |
| Mosque | 460211 |
| Motherless Babies Home | 460211 |
| Nigeria Prisons | 460211 |
| Police Qtrs. | 460211 |
| Shell Camp | 460211 |
| Staff Qtrs. | 460211 |
| State House | 460211 |
| State Police Headquarters-Clerks Qtrs. | 460211 |
Area: Imo State University
| STRRETSS | ZIPCODES |
| C.S.C. Secretariat | 460222 |
| Isreal Nwoba | 460222 |
| Mbari St. | 460222 |
| Ngozi HospitalIkenegbu Hospital | 460222 |
| Ohaozara St. | 460222 |
| Okigwe Rd. | 460222 |
| Owerri club | 460222 |
| SAMEK Rd. | 460222 |
Area: Ugwu Orji
| STREETS | ZIPCODES |
| All other unnamed St. | 460213 |
| Okigwe Rd. | 460213 |
| Samek Rd. | 460213 |
Area: Works Layout
| STREETS | ZIPCODES |
| Convent Nursery | 460212 |
| F.S.P. Nursery/Pry. Schl. | 460212 |
| First Ave. | 460212 |
| Fourth Ave. | 460212 |
| Madonna | 460212 |
| Orlu Rd. | 460212 |
| Second Ave. | 460212 |
| Shoe Industry | 460212 |
| Sixth Ave. | 460212 |
| Third Ave. | 460212 |
| Works Rd. | 460212 |
| Zonal Agric | 460212 |
Area: Amawom
| STREETS | ZIPCODES |
| Ajoku | 460221 |
| Alaenyi | 460221 |
| Douglas | 460221 |
| Ekeonunwa | 460221 |
| Enwereji | 460221 |
| Erekwerenwa | 460221 |
| Iheanocho | 460221 |
| Ironsi | 460221 |
| Mann | 460221 |
| NITEL | 460221 |
| Njemanze | 460221 |
| Njeribeako | 460221 |
| Njiribeako | 460221 |
| Nwaodo | 460221 |
| Odu Agu | 460221 |
| Okorie | 460221 |
| Old Market | 460221 |
| Old Stadium Ln. | 460221 |
| Onumonu | 460221 |
| Osuji | 460221 |
| Post Office | 460221 |
| Tetlow Rd. | 460221 |
| Uratta | 460221 |