Collectorate
| TRICHY - 0431 | |
| Collector's Office | 2415031 |
| Dist. Collector | 2415358 |
| Dist. Collector(PA) | 2461178 |
| Asst. Director-Ex-Service Man | 2410579 |
| Assr. Director Panchayat | 2464058 |
| Dist. Rehabilitation | 2412590 |
| Dist.Supply & Consumer Protection Officer | 2411474 |
| Revenue Divisional Officer | 2415734 |
| Social Welfare Officer | 2423796 |
| Special Thasildar | 2463360 |
| Thasildar - Srirangam | 2230871 |
| Thasidar - Trichy | 2704107 |
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