Pincode 600124 · Thiruvallur District · Tamil Nadu
| Name | Udayarkoil BO |
| Type | Branch Post Office |
| Pincode | 600124 |
| Taluk | Tambaram Division |
| District | |
| State | |
| Coordinates | 13.0410, 80.0290 |
| Post Office | Type |
|---|---|
| Branch Post Office | |
| Branch Post Office | |
| Branch Post Office |
Thiruvallur, Tamil Nadu. Map data: OpenStreetMap, CARTO.
| Thirumushi SO | Post Office |
| Vellavedu BO | Branch Post Office |