Gumgi BO is the primary post office registered under PIN code 815317 in Giridih, Jharkhand. This code sits within the Eastern Postal Region, with 16 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Gumgi BO | BO | Branch Post Office |
| Kathkoko BO | BO | Branch Post Office |
| Khijuri BO | BO | Branch Post Office |
| Kishutand BO | BO | Branch Post Office |
| Tisri SO | SO | Sub Post Office |
| Bhandari BO | BO | Branch Post Office |
| Bardahi | OTHER | post office |
| Ranigadar | OTHER | post office |
| Chandouri BO | BO | Branch Post Office |
| Lokai BO | BO | Branch Post Office |
| Kharkhari B.O | BO | Branch Post Office |
| Loriatanr | OTHER | post office |
| Papilo BO | BO | Branch Post Office |
| Mansadih B.O | BO | Branch Post Office |
| Harhara | OTHER | post office |
| Narotanr | OTHER | post office |
