| Place | Post Code |
|---|---|
| Chanayon, Lower Duo | None |
| Nepaye village, Lower Duo | None |
| Quorh, Lower Duo | None |
| Tugbeh village, Lower Duo | None |
| All postal codes in Sanquin #3 | |
|---|---|
| Clan, Sanquin #3 | |
| Gbannoh, Sanquin #3 | |
| Lower Duo, Sanquin #3 | |
| Sueh, Sanquin #3 | |
| Tuo, Sanquin #3 | |
| Upper Duo, Sanquin #3 | |