Kalthan BO is the primary post office registered under PIN code 396406 in Navsari, Gujarat. This code sits within the Western Postal Region, with 6 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Kalthan BO | BO | Branch Post Office |
| Kharsad BO | BO | Branch Post Office |
| Sarav BO | BO | Branch Post Office |
| Abrama SO | SO | Sub Post Office |
| Sultanpur BO | BO | Branch Post Office |
| Moti Karod BO | BO | Branch Post Office |
