631209 PIN Code
| Office | Type | Delivery | District | State |
|---|---|---|---|---|
| Agooru B.O | BO | Delivery | Thiruvallur | Tamil Nadu |
| Murukkambattu B.O | BO | Delivery | Thiruvallur | Tamil Nadu |
| Netterikandigai B.O | BO | Delivery | Thiruvallur | Tamil Nadu |
| Pattabiramapuram B.O | BO | Delivery | Thiruvallur | Tamil Nadu |
| Srinivasapuram B.O | BO | Delivery | Thiruvallur | Tamil Nadu |
| Suryanagaram B.O | BO | Delivery | Thiruvallur | Tamil Nadu |
| Tirutani Hills B.O | BO | Non Delivery | Thiruvallur | Tamil Nadu |
| Tiruttani S.O | PO | Delivery | Thiruvallur | Tamil Nadu |
| Tiruttanieast S.O | PO | Non Delivery | Thiruvallur | Tamil Nadu |
| Upper Tirutani B.O | BO | Non Delivery | Thiruvallur | Tamil Nadu |
| Velanjeri B.O | BO | Delivery | Thiruvallur | Tamil Nadu |
Source: RBI / India Post source upload · verified 04 Jul 2026