PIN code 530004 belongs to Gnanapuram S.O (Sub Post Office), located in Visakhapatanam district, Andhra Pradesh. It falls under the Southern Postal Region and is served by 3 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Gnanapuram S.O | SO | Sub Post Office |
| LIC Building S.O | SO | Sub Post Office |
| Waltair R S H.O | HO | Head Post Office |
