Pin code 521137
1 post office in Krishna, Andhra Pradesh use pin code 521137.
| Post office | Type | Division |
|---|---|---|
| Poranki | PO | Vijayawada Division |
What 521137 tells you
The first digit, 5, is the postal zone. The first two digits, 52, are the postal circle. The first three, 521, are the sorting district, and 137 identifies the delivery office.