Thiruvannamalai Head Post Office (HPO) is located at
. The HPO is fully computerized and offers various types of mail services such as express parcel post, money-order, e-post, e-billing and registered post. International and domestic speed post facilities are available. A philatelic bureau also functions at Thiruvannamalai Head Post Office.
Thiruvannamalai Railway Station
is the nearest railway station and Chennai International Airport
is the nearest airport.