In Supaul district, Bihar, PIN code 852110 is anchored by Ekma BO, a Branch Post Office. Mail addressed to this code is sorted through the Eastern Postal Region, across 8 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Ekma BO | BO | Branch Post Office |
| Garh Baruari SO | SO | Sub Post Office |
| Laukaha BO | BO | Branch Post Office |
| Barail BO | BO | Branch Post Office |
| Kathbanshi BO | BO | Branch Post Office |
| Makuna BO | BO | Branch Post Office |
| Mohania BO | BO | Branch Post Office |
| Rakia BO | BO | Branch Post Office |
