Every official government phone number we could verify for Tiruvannamalai district — Collector, Superintendent of Police, Revenue Divisional Officers, Tahsildars, and department heads — sourced from official .nic.in district portals and other government sources. Numbers can change with transfers; recheck before relying on one for anything time-critical.
| District Collector | M9444137000L04175233333 |
| District Revenue Officer | M9445000905L04175233006 |
| Personal Assistant (General) to Collector | M9445008158L04175233026 |