In Sitamarhi district, Bihar, PIN code 843131 is anchored by Subhaigarh B.O, a Branch Post Office. Mail addressed to this code is sorted through the Eastern Postal Region, across 9 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Subhaigarh B.O | BO | Branch Post Office |
| Aura B.O | BO | Branch Post Office |
| Brindawan B.O | BO | Branch Post Office |
| Sarwarpur B.O | BO | Branch Post Office |
| Sonbarsa B.O | BO | Branch Post Office |
| Belahi Lachchi BO | BO | Branch Post Office |
| Narwara B.O | BO | Branch Post Office |
| Tariyani Chowk SO | SO | Sub Post Office |
| Meghua B.O | BO | Branch Post Office |
