Pin code 631211
3 post offices in Thiruvallur, Tamil Nadu use pin code 631211.
| Post office | Type | Division |
|---|---|---|
| Karthikeyapuram | BO | Kanchipuram Division |
| Kasavarajpetta | BO | Kanchipuram Division |
| Saraswathinagar | PO | Kanchipuram Division |
What 631211 tells you
The first digit, 6, is the postal zone. The first two digits, 63, are the postal circle. The first three, 631, are the sorting district, and 211 identifies the delivery office.