Pincode 601101 · Thiruvallur District · Tamil Nadu
| Name | Arni CPT SO |
| Type | Post Office |
| Pincode | 601101 |
| Taluk | Tambaram Division |
| District | |
| State | |
| Coordinates | 13.3386, 80.2514 |
| Post Office | Type |
|---|---|
| Branch Post Office | |
| Branch Post Office | |
| Branch Post Office |
Thiruvallur, Tamil Nadu. Map data: OpenStreetMap, CARTO.