Idah Local Government Area in Kogi State uses postal codes ranging from 271101 to 271104.
Here are the postal codes for the towns and districts in Idah:
Idah
| Location | Postcode |
| Ekwokata | 271101 |
| Ofugo | 271101 |
| Onyemu | 271101 |
| Etoba | 271101 |
| Ogaine | 271101 |
| Ota | 271101 |
| Ichala | 271101 |
| Ogba-Dichi | 271101 |
| Ugwoda | 271101 |
| Ichijenu | 271101 |
| Ogwojibo | 271101 |
| Ukwaga | 271101 |
| Idah | 271101 |
| Ohiji | 271101 |
| Idoma | 271101 |
| Ojebe | 271101 |
| Ijobe | 271101 |
| Ojibgo | 271101 |
| Alimoke | 271101 |
| Inene | 271101 |
| Ojigagala | 271101 |
| Alla-Okweje | 271101 |
| Kaka | 271101 |
| Ojuba | 271101 |
| Angwajuma | 271101 |
| Lafi | 271101 |
| Okeku | 271101 |
| Chekene | 271101 |
| Nwajala | 271101 |
| Okele-Agaldoko | 271101 |
| Ede | 271101 |
| Obajadaka | 271101 |
| Okele-Ocheje | 271101 |
| Ede-Adejoh | 271101 |
| Ochijenu | 271101 |
| Okele-Ohinem | 271101 |
| Edeke | 271101 |
| Odobu | 271101 |
| Olaji | 271101 |
| Efuh | 271101 |
| Odogu | 271101 |
| Onah | 271101 |
| Ejofe | 271101 |
| Offa | 271101 |
| Onugwa | 271101 |
| Abujaga | 271101 |
| Agalugbaje | 271101 |
| Akpo | 271101 |
| Akuta | 271101 |
| Alade | 271101 |
| Aladgbajadu | 271101 |
| Alakome | 271101 |
Adoru
| Location | Postcode |
| Ayi-Kpele | 271104 |
| Oforachi | 271104 |
| Ugbatugba | 271104 |
| Ekpotoko | 271104 |
| Ogaji-Gwu | 271104 |
| Emuchi | 271104 |
| Ogane-offu | 271104 |
| Epete | 271104 |
| Ogbaligbo | 271104 |
| Eti-Akpacha | 271104 |
| Ogbe-Adige | 271104 |
| Ibochi | 271104 |
| Ogbogbo | 271104 |
| Ajiongu | 271104 |
| Igbope Okealuju | 271104 |
| Ogbolimi | 271104 |
| Ajonuche-Oko | 271104 |
| Ikare | 271104 |
| Ojajuna | 271104 |
| Alaba | 271104 |
| Ikare-Ojefu | 271104 |
| Ojete | 271104 |
| Alakwa | 271104 |
| Imere | 271104 |
| Ojodoma | 271104 |
| Amejekpo | 271104 |
| Obolimi | 271104 |
| Ojokuta | 271104 |
| Ameke | 271104 |
| Ocheja | 271104 |
| Oko-Oma | 271104 |
| Aneke | 271104 |
| Ofakpa | 271104 |
| Okpabioko | 271104 |
| Apata | 271104 |
| Ofe-Anwa | 271104 |
| Okpe | 271104 |
| Arefe | 271104 |
| Ofejiji | 271104 |
| Opada | 271104 |
| Ata | 271104 |
| Off | 271104 |
| Otobo-Adogulu | 271104 |
| Adoru | 271104 |
| Aduku | 271104 |
| Agbamofa | 271104 |
| Agbokete | 271104 |
| Agboni | 271104 |
| Agejojo | 271104 |