Sini is located in the district of Seraikela Kharsawan, Jharkhand. The pincode of Sini is 833220. The area "Sini" lies under takula of Sini and has a Sub Office. Sini comes under the head office Chaibasa. The postal division for pin code 833220 is Singhbhum.
| Area | Sini |
| Pincode | 833220 |
| Taluka or Tehsil | Sini |
| District | Seraikela Kharsawan |
| State | Jharkhand |
| Office Status | Sub Office |
| Postal Division | Singhbhum |
| Postal Region | Ranchi |
| Sub Office | NA |
| Head Office | Chaibasa |
| Contact Address | Postmaster, Post Office Sini (Sub Office), Sini, Jharkhand, India, Pin Code: 833220 |
| Telephone | 06597-244240 |
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 833220 | Burudih pin code | Seraikela Kharsawan | Seraikera | Branch Office |
| 833220 | Dugni pin code | Seraikela Kharsawan | Seraikela | Branch Office |
| 833220 | Kendua pin code | Seraikela Kharsawan | Seraikela | Branch Office |
| 833220 | Kolabira pin code | Seraikela Kharsawan | Seraikela | Branch Office |
| 833220 | Madhupur pin code | Seraikela Kharsawan | Seraikela | Branch Office |
| 833220 | Munda Tand pin code | Seraikela Kharsawan | Seraikela | Branch Office |
| 833220 | Narayanpur pin code | Seraikela Kharsawan | Seraikela | Branch Office |
| 833220 | Nengtasai pin code | Seraikela Kharsawan | Seraikela | Branch Office |
| 833220 | Raidih pin code | Seraikela Kharsawan | Seraikela | Branch Office |
| 833220 | Sindhukopa pin code | Seraikela Kharsawan | Seraikela | Branch Office |
| 833220 | Sindri pin code | Seraikela Kharsawan | Seraikela | Branch Office |
| 833220 | Sini pin code | Seraikela Kharsawan | Sini | Sub Office |
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