Pincode: 600066

Pincode 600066 details, 2 post office(s) in Chennai, Tamil Nadu. Postal Index Number or PIN or Pincode is the numbering of the post office or post code system used by India Post. The PIN code is 6 digits long.

Last updated: 2025-12-10

How to use: Click Copy Pincode to copy the 6-digit PIN. For postal delivery questions verify with India Post or the local post office.

Disclaimer: We have tried our best to maintain the most up to date details as available from official sources including India Post. Users are requested to verify details with the corresponding postal office before utilizing the information offered here.

How PIN 600066 is structured

Every digit in a 6–digit PIN has a meaning:

• Digit 1 → 6 : Postal Zone → Tamil Nadu, Kerala & Puducherry
• Digit 2 → 0 : Sub-region under this postal zone → 60 region of India (exact sorting region)
• Digit 3 → 0 : Sorting district code → 600 represents the sorting district responsible for mail distribution.
• Last Three Digits → 066 : Delivery Post Office serving this locality.

This means 600066 routes mail from Tamil Nadu, Kerala & Puducherry through sorting district 600 and finally delivers to the 066 branch post office.

ATMs for PINCODE: 600066

Frequently Asked Questions

• Can multiple post offices share the same PIN code?
  Yes. A single PIN code often covers multiple post offices within the same locality or district.
• How does India Post use PIN codes for delivery?
  The first digit represents the postal zone, the next two digits the sorting district, and the last three digits identify the specific delivery office.
• Is a PIN code the same as a ZIP code?
  They serve the same purpose — routing mail efficiently — but PIN codes are used in India, while ZIP codes are used in the United States.

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