Sijua SO is the primary post office registered under PIN code 828121 in Dhanbad, Jharkhand. This code sits within the Eastern Postal Region, with 3 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Sijua SO | SO | Sub Post Office |
| Chandore BO | BO | Branch Post Office |
| Bhadrichak BO | BO | Branch Post Office |
