Chennai PIN Codes – Complete Directory
All 6-digit postal codes for Chennai areas, localities & post offices
Chennai (formerly Madras), the capital of Tamil Nadu, uses 6-digit PIN codes starting with 600. The postal network is administered exactly under the Tamil Nadu Postal Circle covering Chennai City, Kanchipuram, and Tiruvallur districts. Below is a comprehensive, searchable directory of Chennai PIN codes organized by locality and zone.
| PIN Code | Area / Locality | Post Office Name | Zone / Region |
|---|---|---|---|
| 600001 | George Town, Parrys Corner | Chennai GPO | North Chennai North |
| 600002 | Mount Road, Triplicane, Chepauk | Anna Road HPO | Central Chennai Central |
| 600004 | Mylapore, Mandaveli | Mylapore SO | South Chennai South |
| 600014 | Royapettah, Gopalapuram | Royapettah SO | Central Chennai Central |
| 600017 | T. Nagar (Thyagaraya Nagar) | T Nagar SO | Central Chennai Central |
| 600020 | Adyar, Besant Nagar, Kasturba Nagar | Adyar SO | South Chennai South |
| 600028 | Raja Annamalaipuram (RA Puram) | RA Puram SO | South Chennai South |
| 600036 | IIT Madras | IIT Madras SO | South Chennai South |
| 600040 | Anna Nagar, Shenoy Nagar | Anna Nagar SO | West Chennai Central |
| 600042 | Velachery, Guindy South | Velachery SO | South Chennai South |
| 600059 | Tambaram East | East Tambaram SO | South Chennai South |
| 600097 | Karapakkam, Sholinganallur | Sholinganallur SO | South Chennai South |
| 600119 | Sholinganallur IT Park, Semmencherry | Semmencherry SO | South Chennai South |
Can't find your locality? Use our live PIN code search tool to look up any Chennai post office instantly.
About Chennai's Postal Network
Chennai's postal system is managed under the Tamil Nadu Postal Circle. As part of Postal Zone 6 (southern India), all Chennai PIN codes begin with 600. The Chennai General Post Office (GPO), located on Rajaji Salai in George Town (PIN 600001), is one of the oldest post offices in the country and serves as the core sorting and administrative hub for the region.
Understanding the 6-Digit PIN Code System
The Postal Index Number (PIN) system was introduced on August 15, 1972, to streamline the sorting and delivery of mail across India. The 6-digit structure solves the issue of manual sorting errors caused by duplicate town names and varied languages:
- First Digit (Zone): Represents the broad geographical region. For example, 6 is for South India (including Tamil Nadu).
- Second Digit (Circle): Indicates the postal sub-region. Together with the first digit, 60 represents the Tamil Nadu circle.
- Third Digit (Sorting District): Targets the specific sorting hub within the region.
- Last 3 Digits (Post Office): These pinpoint the exact delivery post office building that serves your local street or sector.
Ensuring you use the complete and correct 6-digit code is critical for banking applications (KYC), government documents, online shopping deliveries, and official correspondence.