Sector 21d is located in the district of Faridabad, Haryana. The pincode of Sector 21d is
121012. The area "Sector 21d" lies under takula of Faridabad and has a Sub Office.
Sector 21d comes under the head office Faridabad NIT. The postal division for pin code 121012 is Faridabad.
Note: While we try to make the pincode data as accurate as
possible, sometimes there might be inaccuracy in data.
Please feel free and point it out in the below comment section.
What is PIN Code?
A Postal Index Number or PIN or Pincode is a code in the post
office numbering or post code system used by India Post, the Indian
postal administration. The code is six digits long.
The PIN Code system was introduced on 15 August 1972. The system
was introduced to simplify the manual sorting and delivery of mail by
eliminating confusion over incorrect addresses, similar place names and
different languages used by the public