Sisai is Taluka (Tehsil) in Gumla district of Jharkhand state. Sisai has 17 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 835324 | Arko PIN Code | Gumla | Sisai | Branch Office |
| 835324 | Bargaon PIN Code | Gumla | Sisai | Branch Office |
| 835324 | Bhurso PIN Code | Gumla | Sisai | Branch Office |
| 835324 | Chharda PIN Code | Gumla | Sisai | Branch Office |
| 835324 | Datia PIN Code | Gumla | Sisai | Branch Office |
| 835324 | Jura PIN Code | Gumla | Sisai | Branch Office |
| 835324 | Karanj PIN Code | Gumla | Sisai | Branch Office |
| 835324 | Karkari PIN Code | Gumla | Sisai | Branch Office |
| 835324 | Karomdajovasisai PIN Code | Gumla | Sisai | Branch Office |
| 835324 | Murgu PIN Code | Gumla | Sisai | Branch Office |
| 835324 | Nagar PIN Code | Gumla | Sisai | Branch Office |
| 835324 | Nagpheni PIN Code | Gumla | Sisai | Branch Office |
| 835324 | Olmunda PIN Code | Gumla | Sisai | Branch Office |
| 835324 | Sakrauli PIN Code | Gumla | Sisai | Branch Office |
| 835324 | Shiwnathpur PIN Code | Gumla | Sisai | Branch Office |
| 835324 | Sisai Gumla PIN Code | Gumla | Sisai | Sub Office |
| 835324 | Sogra PIN Code | Gumla | Sisai | Branch Office |