The Tiruvannamalai postal district in Tamil Nadu covers 67 distinct PIN codes and 503 post offices operating across urban and rural delivery routes. Mail routing in this district connects through the Southern Postal Region, coordinated via Tiruvannamalai HO, Arni HO and local delivery branch offices.
Tiruvannamalai district in Tamil Nadu currently has 67 unique PIN codes serving 503 post offices, which include 68 Sub Offices (SO) and 425 Branch Offices (BO).
Deliveries in Tiruvannamalai fall under the Southern Postal Region. Mail is sorted through district administrative hubs anchored by Tiruvannamalai HO, Arni HO and routed to local sub and branch offices for delivery.
