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TAMIL NADU Post Office & PIN Code Directory
Complete list of post offices, districts, and PIN codes in TAMIL NADU
11,733
Post Offices
2,049
Unique PIN Codes
38
Districts
45
Postal Divisions
Districts in TAMIL NADU
Select a district to browse post offices and PIN codes
FAQs — Post Offices in TAMIL NADU
TAMIL NADU has 11,733 post offices spread across 38 districts and 45 postal divisions. These cover 2,049 unique PIN codes.
To find a PIN code in TAMIL NADU, select the relevant district from the list above, then browse or search for the specific locality or post office. You can also use the search box at the PIN Code Directory homepage and type the area name or locality.
Post offices in TAMIL NADU (and across India) are categorised into three types:
- Head Post Office (HO) — The main post office of a city or district, handling all major postal operations.
- Sub Post Office (SO) — Offices serving sub-divisions within a district, reporting to the HO.
- Branch Post Office (BO) — Smallest unit, serving rural or semi-urban areas within a sub-division.
Every PIN code is a 6-digit number. For TAMIL NADU, the first digit indicates the postal circle/region, the second and third digits narrow it down to the sorting district, and the final three digits identify the specific delivery post office. This system ensures accurate and speedy mail delivery across all 38 districts of TAMIL NADU.
TAMIL NADU at a Glance
- Total Post Offices 11,733
- Unique PIN Codes 2,049
- Districts 38
- Postal Divisions 45