In Tirupati district, Andhra Pradesh, PIN code 517526 is anchored by Gudimallam B.O, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 6 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Gudimallam B.O | BO | Branch Post Office |
| Munagalapalem B.O | BO | Branch Post Office |
| Papanaidupet S.O | SO | Sub Post Office |
| Chellur B.O | BO | Branch Post Office |
| Ravillavarikandriga B.O | BO | Branch Post Office |
| Madibaka B.O | BO | Branch Post Office |
