- PIN code
- 600078
- Main post office
- Kalaignar Karunanidhi Nagar (sub office)
- District
- Chennai
- State
- Tamil Nadu
- Postal division
- Chennai City South
- Region and circle
- Chennai City Region, Tamilnadu circle
- Delivery
- Delivery PIN (1 of 1 offices delivers)
- Location
- Open on a map (13.043, 80.206)
Post offices with PIN 600078
| Post office | Type | Delivery |
|---|---|---|
| Kalaignar Karunanidhi Nagar | Sub office | Delivers mail |
600078 has a single post office.
What the digits of 600078 mean
- 6: India Post's Southern region, which covers Kerala, Lakshadweep, Puducherry and Tamil Nadu (3,512 PINs).
- 60: the Tamilnadu postal circle; 476 PINs start with 60.
- 600: the sorting district, shared by 123 PINs in 4 districts.
- 078: the delivery post office within it, Kalaignar Karunanidhi Nagar.
Head post office for 600078
The post offices with this PIN belong to the Chennai City South postal division, whose head office is listed below. Money orders, savings accounts and complaints that a sub or branch office cannot settle go to the head office.
- St Thomas Mount head post office: 600016
Nearby PIN codes in Chennai
- Korattur RS600076
- Tondiarpet600081
- Periyar Nagar600082
- Ashoknagar (Chennai)600083
- Flowers Road600084
- Kotturpuram600085
- Gopalapuram (Chennai)600086
- Alwarthirunagar600087
Writing an address with 600078
Put the PIN on the last line, after the town and state, so the sorting machines and postmen can read it:
Name House number, street Kalaignar Karunanidhi Nagar post office Chennai, Tamil Nadu – 600078
Frequently asked questions
Which post office has PIN code 600078?
Kalaignar Karunanidhi Nagar sub office, in Chennai district, Tamil Nadu.
Is 600078 a delivery PIN code?
Yes. Its post office delivers mail; letters addressed to 600078 are delivered.
Which district is 600078 in?
Chennai district, Tamil Nadu. It is in the Chennai City South postal division (Chennai City Region) of the Tamilnadu postal circle.
What is the head post office for 600078?
The Chennai City South postal division's head office is St Thomas Mount (600016).
Sources
Last checked on 6 October 2026. PIN codes and post offices are from India Post’s directory on data.gov.in. Post offices are sometimes opened, merged or renamed; check with India Post before relying on a PIN for an official form.