Maddur B.O is the primary post office registered under PIN code 518593 in Nandyal, Andhra Pradesh. This code sits within the Southern Postal Region, with 6 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Maddur B.O | BO | Branch Post Office |
| Pusulur B.O | BO | Branch Post Office |
| Kanala S.O | SO | Sub Post Office |
| Guntanala B.O | BO | Branch Post Office |
| Mitnala B.O | BO | Branch Post Office |
| S.Nagulavaram B.O | BO | Branch Post Office |
