Itu Local Government Area in Akwa Ibom uses postal codes ranging from 520108 to 520113.
Here are the postal codes for the towns and districts in Itu:
Ayadehe
| Location | Postcode |
| Ikot Akpabio-Ayadehe | 520111 |
| Ikot Onoi | 520111 |
| Ikot Udo | 520111 |
East Itam
| Location | Postcode |
| Adang Itam | 520112 |
| Ikot Ukono | 520112 |
| Afaha I | 520112 |
| Ikot Uso Akpan | 520112 |
| Efi Itam | 520112 |
| Mbak Atai Itam | 520112 |
| Ekim Itam I | 520112 |
| Mbak Obio Itam | 520112 |
| Ekim Itam II | 520112 |
| Mbiabong Afaha | 520112 |
| Ekritam Akpan Obong | 520112 |
| Mbiatok Itam | 520112 |
| Ema Itam | 520112 |
| Mkpeti Itam | 520112 |
| Enen Atai Itam | 520112 |
| Nkim Itam | 520112 |
| Ibiaku Ikot Obong | 520112 |
| Ntiat Itam | 520112 |
| Ikot Akpan Itam | 520112 |
| Obong Itam | 520112 |
| Ikot Andem Itam | 520112 |
| Odiok Afaha Itam | 520112 |
| Ikot Annie | 520112 |
| Okon Itam | 520112 |
| Ikot Anse Itam | 520112 |
| Uyo Itam | 520112 |
| Ikot Ayan | 520112 |
| Ikot Nya Itam | 520112 |
| Ikot Ukap | 520112 |
Mbiabo
| Location | Postcode |
| Efik Ibuno | 520110 |
| Etehenten | 520110 |
| Eton Ani | 520110 |
| Ikot Efah | 520110 |
| Ikot Offiong | 520110 |
| Ikot Out | 520110 |
| Mbiabo Edere | 520110 |
| Mkpana Uruk | 520110 |
| Nya Anating | 520110 |
| Okono | 520110 |
| Ufok Offiong Ani | 520110 |
Oku
| Location | Postcode |
| Ikot Oku | 520103 |
| Ikot Udoro | 520103 |
| Nduetong Oku | 520103 |
| Nung Edong Ediene | 520103 |
| Nung Obio Enang Idoro | 520103 |
| Nung Udoe Ediene | 520103 |
| Nung Uyo Idoro | 520103 |
| Ikot Ebido | 520103 |
| Ikot Ntuen-Oku | 520103 |
| Afaha Idoro | 520103 |
| Afaha Oku | 520103 |
| Iba Oku | 520103 |
| Ikot Akpan Ediene | 520103 |
| Ikot Akpan Oku | 520103 |
| Ika Oku | 520109 |
| Ikot Abiyak | 520109 |
| Ikot Adakpan | 520109 |
| Ikot Antuen | 520109 |
| Ikot Eka Iko | 520109 |
| Ikot Esia | 520109 |
| Ikot Essien | 520109 |
| Ikot Ntu Oku | 520109 |
| Settlements | 520109 |
West Itam
| Place/Area | Postcode |
| Afaha Itam | 520113 |
| Mbak Ikot Oku | 520113 |
| Afaha Ube | 520113 |
| Mbak Obio | 520113 |
| Afaha Ude Oke | 520113 |
| Mbribit Itam | 520113 |
| Atai Ibiaku Itam | 520113 |
| Ntak Inyang | 520113 |
| Ekit-Itom Akpan Obong | 520113 |
| Nung Ukot Itam | 520113 |
| Ikot Abasi Itam | 520113 |
| Nwut Usiong | 520113 |
| Ikot Ayan Itam | 520113 |
| Ikot Ebom Itam | 520113 |
| Ikot Ekang | 520113 |
| Ikot Ekwere Itam | 520113 |
| Ikot Emien Itam | 520113 |
| Ikot Etpuk | 520113 |
| Ikot Mbonde Itam | 520113 |
| Ikot Obio Atai I | 520113 |
| Ikot Obio Enang | 520113 |
| Ikot Obong Edong | 520113 |