Pincode 603312 · Chengalpattu District · Tamil Nadu
| Name | Kalkulam BO |
| Type | Branch Post Office |
| Pincode | 603312 |
| Taluk | Chengalpattu Division |
| District | |
| State | |
| Coordinates | 12.4723, 79.9887 |
| Post Office | Type |
|---|---|
| Branch Post Office | |
| Branch Post Office | |
| Branch Post Office |
Chengalpattu, Tamil Nadu. Map data: OpenStreetMap, CARTO.
| Lathur BO | Branch Post Office |
| Palur BO | Branch Post Office |
| Pavunjur SO | Post Office |
| Seevadi BO | Branch Post Office |