| Sub-districts |
|---|
| Sille-Oyan, East Siang |
| Ruksin, East Siang |
| Pasighat, East Siang |
| Namsing, East Siang |
| Mebo, East Siang |
| Bilat, East Siang |
| Postal Codes in East Siang |
|---|
| Upper Siang |
| Tirap |
| Siang |
| Namsai |
| Lower Dibang Valley |
| Longding |
| Lohit |
| East Siang |
| Dibang Valley |
| Changlang |
| Anjaw |