Sasthan SO is the primary post office registered under PIN code 576226 in Udupi, Karnataka. This code sits within the Southern Postal Region, with 4 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Sasthan SO | SO | Sub Post Office |
| Kodi Kanyana BO | BO | Branch Post Office |
| Yedabettu BO | BO | Branch Post Office |
| Airody BO | BO | Branch Post Office |