Pin code 600091
3 post offices in Chennai, Tamil Nadu use pin code 600091.
| Post office | Type | Division |
|---|---|---|
| Madipakkam | PO | Chennai City South Division |
| Madipakkam South | PO (non-delivery) | Chennai City South Division |
| Ram Nagar | PO (non-delivery) | Chennai City South Division |
What 600091 tells you
The first digit, 6, is the postal zone. The first two digits, 60, are the postal circle. The first three, 600, are the sorting district, and 091 identifies the delivery office.