PIN code 521001 – Krishna, Andhra Pradesh
521001 is the PIN code of 9 post offices in Krishna district, Andhra Pradesh, served by the Balaramunipet S.O sub office.
| Post office | Type | Delivery | Division |
|---|---|---|---|
| Balaramunipet S.OMap | Post office | No | Machilipatnam Division |
| Batchupet S.OMap | Post office | No | Machilipatnam Division |
| Bhaskarapuram S.OMap | Post office | No | Machilipatnam Division |
| Desaipet S.OMap | Post office | No | Machilipatnam Division |
| Godugupet S.OMap | Post office | No | Machilipatnam Division |
| Inagudurupet S.OMap | Post office | No | Machilipatnam Division |
| Rajupet S.OMap | Post office | No | Machilipatnam Division |
| U.G.C.Works S.OMap | Post office | No | Machilipatnam Division |
| Machilipatnam H.OMap | Head office | Yes | Machilipatnam Division |
Source: India Post PIN code directory (Open Government Data). Branch offices usually get mail through their sub or head office.