Pincode 601103 · Thiruvallur District · Tamil Nadu
| Name | Kalpattu B.O |
| Type | Branch Post Office |
| Pincode | 601103 |
| Taluk | Kanchipuram Division |
| District | |
| State | |
| Coordinates | 13.1426, 79.9090 |
| Post Office | Type |
|---|---|
| Branch Post Office | |
| Branch Post Office | |
| Branch Post Office |
Thiruvallur, Tamil Nadu. Map data: OpenStreetMap, CARTO.
| Poorivakkam B.O | Branch Post Office |
| Sembedu B.O | Branch Post Office |
| Tirukandalam B.O | Branch Post Office |
| Velliyur B.O | Branch Post Office |
| Vengal S.O | Post Office |