Chennai, Tamil Nadu
600078- District
- Chennai
- State
- Tamil Nadu
- Post offices
- 1
- Coordinates
- 13.0434, 80.2064
- Data as of
- 2026-08-24
Post offices serving 600078
- Kalaignar Karunanidhi Nagar
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600078 PIN Code
Chennai, Tamil Nadu — post offices, district and coordinates
About PIN code 600078
600078 is the Postal Index Number for Chennai, Tamil Nadu, in Chennai district of Tamil Nadu. Mail addressed to this PIN code is routed through the Kalaignar Karunanidhi Nagar post office, centred near 13.0434, 80.2064. The first digit of a PIN code identifies the postal region, the first two the postal circle, the third the sorting district and the last three the delivery post office.
Other PIN codes in Chennai district
- Korattur RS600076
- Tondiarpet Bazaar600081
- Kumaran Nagar600082
- Ashoknagar S.O (Chennai)600083
- Flowers Road600084
- Kotturpuram600085
- Gopalapuram S.O (Chennai)600086
- Alwarthirunagar600087
- Manali SO Tiruvallur600068
- Adambakkam600088
- Ramapuram S.O (Kanchipuram)600089
- Pozhal600066
- Rajaji Bhavan600090
- Madipakkam600091
- Virugambakkam600092
- Saligramam600093
- Choolaimedu600094
- Pazhavanthangal600061
- Vadaperumbakkam600060
- Perungudi600096
- Karapakkam600097
- Athipattu600058
- Lakshmipuram600099
- Anna Nagar Western Extn600101
Related Tools
Frequently Asked Questions
Which area does PIN code 600078 belong to?
600078 is the PIN code for Chennai, Tamil Nadu. It sits in Chennai district, Tamil Nadu, and is served by the Kalaignar Karunanidhi Nagar post office.
Which post offices come under 600078?
Kalaignar Karunanidhi Nagar. A single PIN code often covers several delivery post offices, and a large locality is in turn frequently split across more than one PIN code.
How many PIN codes does Chennai district have?
Besides 600078, we list at least 24 more PIN codes in Chennai district — they are linked above so you can move to a neighbouring area.
Why does the PIN code matter when buying or renting in Chennai?
A PIN code pins down an exact delivery area, which is far more precise than a locality name — the same locality name often appears in several cities. It also decides the postal address on your registration documents, utility connections and loan paperwork.
Where does this PIN code data come from?
The Department of Posts All India Pincode Directory, covering all 19,586 PIN codes across 37 states and union territories. Our copy was last refreshed on 2026-08-24.
