Kolakaluru S.O is the primary post office registered under PIN code 522307 in Guntur, Andhra Pradesh. This code sits within the Southern Postal Region, with 4 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Kolakaluru S.O | SO | Sub Post Office |
| Kazipeta B.O | BO | Branch Post Office |
| Kopalle B.O | BO | Branch Post Office |
| Gudivada B.O | BO | Branch Post Office |
