| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Osade, Eika | 264101 |
| Postal/ZIP Codes in Osara 1&2, Eika | 264101 |
| Postal/ZIP Codes in Osiro Okechi, Eika | 264101 |
| Postal/ZIP Codes in Osiro-Okehi, Eika | 264101 |
| Postal/ZIP Codes in Otaneire, Eika | 264101 |
| Postal/ZIP Codes in Otokiti Village, Eika | 264101 |
| Postal/ZIP Codes in Otokoro, Eika | 264101 |
| Postal/ZIP Codes in Otutu-Are, Eika | 264101 |
| Postal/ZIP Codes in Ozare, Eika | 264101 |
| Postal/ZIP Codes in Ozietune, Eika | 264101 |
| Postal/ZIP Codes in Ozinete, Eika | 264101 |
| Postal/ZIP Codes in Trekovi, Eika | 264101 |
| Postal/ZIP Codes in Ubepe, Eika | 264101 |
| Postal/ZIP Codes in Uboro, Eika | 264101 |
| Postal/ZIP Codes in Uboro-Eda, Eika | 264101 |
| Postal/ZIP Codes in Uhuepa, Eika | 264101 |
| Postal/ZIP Codes in Uhuoze, Eika | 264101 |
| Postal/ZIP Codes in Uro, Eika | 264101 |
| Postal/ZIP Codes in Usungwe, Eika | 264101 |
| Postal/ZIP Codes in Utoro, Eika | 264101 |
| Postal/ZIP Codes in Zangodaji, Eika | 264101 |
| Postal/ZIP Codes in Zariagi, Eika | 264101 |
| Postal Codes in Okehi | |
|---|---|
| Postal/ZIP Codes in Eika, Okehi | |
| Postal/ZIP Codes in Ihima, Okehi | |