Pin code 691021
2 post offices in Kollam, Kerala use pin code 691021.
| Post office | Type | Division |
|---|---|---|
| Ayathil | BO | Quilon Division |
| Pattathanam | PO | Quilon Division |
What 691021 tells you
The first digit, 6, is the postal zone. The first two digits, 69, are the postal circle. The first three, 691, are the sorting district, and 021 identifies the delivery office.