Kalsuli S.O is the primary post office registered under PIN code 416620 in Sindhudurg, Maharashtra. This code sits within the Western Postal Region, with 3 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Kalsuli S.O | SO | Sub Post Office |
| Shirval B.O | BO | Branch Post Office |
| Shivdav B.O | BO | Branch Post Office |
