Kadavakollu B.O is the primary post office registered under PIN code 521164 in Krishna, Andhra Pradesh. This code sits within the Southern Postal Region, with 3 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Kadavakollu B.O | BO | Branch Post Office |
| Kalavapamula B.O | BO | Branch Post Office |
| Katuru S.O | SO | Sub Post Office |
