PIN code 521101 – Krishna, Andhra Pradesh
521101 is the PIN code of 10 post offices in Krishna district, Andhra Pradesh, served by the Gannavaram S.O sub office.
| Post office | Type | Delivery | Division |
|---|---|---|---|
| Gannavaram S.OMap | Post office | Yes | Vijayawada Division |
| Allapuram B.OMap | Branch office | Yes | Vijayawada Division |
| Azzampudi B.OMap | Branch office | Yes | Vijayawada Division |
| Bahubalendrunigudem B.OMap | Branch office | Yes | Vijayawada Division |
| Budhavaram B.OMap | Branch office | Yes | Vijayawada Division |
| Buthumillipadu B.OMap | Branch office | Yes | Vijayawada Division |
| Chikkavaram B.OMap | Branch office | Yes | Vijayawada Division |
| Gollanapalli B.OMap | Branch office | Yes | Vijayawada Division |
| Gopavarapugudem B.OMap | Branch office | Yes | Vijayawada Division |
| Purushothapatnam B.OMap | Branch office | Yes | Vijayawada Division |
Source: India Post PIN code directory (Open Government Data). Branch offices usually get mail through their sub or head office.