Kalas B.O is the primary post office registered under PIN code 581107 in Dharwad, Karnataka. This code sits within the Southern Postal Region, with 4 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Kalas B.O | BO | Branch Post Office |
| Harlapur B.O | BO | Branch Post Office |
| Goudageri B.O | BO | Branch Post Office |
| Gudgeri S.O | SO | Sub Post Office |
