In Krishna district, Andhra Pradesh, PIN code 521321 is anchored by Tummalapalli B.O, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 11 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Tummalapalli B.O | BO | Branch Post Office |
| Lakshminarasimhapuram B.O | BO | Branch Post Office |
| Moparru B.O | BO | Branch Post Office |
| Vennanapudi B.O | BO | Branch Post Office |
| Ilaparru B.O | BO | Branch Post Office |
| Pedavirivada B.O | BO | Branch Post Office |
| Ramapuram B.O | BO | Branch Post Office |
| Dosapadu B.O | BO | Branch Post Office |
| Kudaravalli B.O | BO | Branch Post Office |
| Nandivada B.O | BO | Branch Post Office |
| Janardhanapuram S.O | SO | Sub Post Office |
