Sirnia is located in the district of Katihar, Bihar. The pincode of Sirnia is 854103. The area "Sirnia" lies under takula of Katihar and has a Branch Office. Sirnia comes under the head office Katihar. The postal division for pin code 854103 is Purnea.
| Area | Sirnia |
| Pincode | 854103 |
| Taluka or Tehsil | Katihar |
| District | Katihar |
| State | Bihar |
| Office Status | Branch Office |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| Sub Office | Daharia Molls |
| Head Office | Katihar |
| Contact Address | Postmaster, Post Office Sirnia (Branch Office), Katihar, Bihar, India, Pin Code: 854103 |
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 854103 | Daharia Molls pin code | Katihar | Katihar | Sub Office |
| 854103 | Kumaripur pin code | Katihar | Katihar | Branch Office |
| 854103 | Mansahi pin code | Katihar | Katihar | Branch Office |
| 854103 | Sirnia pin code | Katihar | Katihar | Branch Office |
| 854103 | Tingahhia pin code | Katihar | Katihar | Branch Office |
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