PIN code 821112 belongs to Kochas SO (Sub Post Office), located in Rohtas district, Bihar. It falls under the Eastern Postal Region and is served by 13 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Kochas SO | SO | Sub Post Office |
| Daidhan BO | BO | Branch Post Office |
| KOTTA BO (KOCHAS) | OTHER | post office |
| Doiya BO | BO | Branch Post Office |
| Gara BO | BO | Branch Post Office |
| Kuchila BO | BO | Branch Post Office |
| Parshathua BO | BO | Branch Post Office |
| Barhutikala BO | BO | Branch Post Office |
| Daraon BO | BO | Branch Post Office |
| Dighita BO | BO | Branch Post Office |
| Khudru BO | BO | Branch Post Office |
| Laheri BO | BO | Branch Post Office |
| MAUDIHRA BO | BO | Branch Post Office |
