Jalsima BO is the primary post office registered under PIN code 852217 in Saharsa, Bihar. This code sits within the Eastern Postal Region, with 15 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Jalsima BO | BO | Branch Post Office |
| Barsam BO | BO | Branch Post Office |
| Bhaddi Durgapur BO | BO | Branch Post Office |
| Kishanpur BO | BO | Branch Post Office |
| Mokma BO | BO | Branch Post Office |
| Atalkha BO | BO | Branch Post Office |
| Bargaon BO | BO | Branch Post Office |
| Jamhara BO | BO | Branch Post Office |
| Khajurah BO | BO | Branch Post Office |
| Noneti BO | BO | Branch Post Office |
| Baraith BO | BO | Branch Post Office |
| Mangwar SO | SO | Sub Post Office |
| Amrita BO | BO | Branch Post Office |
| Balia BO | BO | Branch Post Office |
| Biratpur BO | BO | Branch Post Office |
