- PIN code
- 600057
- Main post office
- Ennore Thermal Station (sub office)
- District
- Chennai
- State
- Tamil Nadu
- Postal division
- Tambaram
- Region and circle
- Chennai City Region, Tamilnadu circle
- Delivery
- Delivery PIN (1 of 3 offices delivers)
- Location
- Open on a map (13.341, 80.520)
Post offices with PIN 600057
| Post office | Type | Delivery |
|---|---|---|
| Ennore Thermal Station | Sub office | Delivers mail |
| Ernavur | Sub office | Counter only |
| Kamarajnagar | Branch office | Counter only |
600057 covers 0 head offices, 2 sub offices and 1 branch office. Some of them are in Thiruvallur district.
What the digits of 600057 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.
- 057: the delivery post office within it, Ennore Thermal Station.
Head post office for 600057
The post offices with this PIN belong to the Tambaram postal division, whose head offices are listed below. Money orders, savings accounts and complaints that a sub or branch office cannot settle go to the head office.
- Ambattur head post office: 600053
- Avadi Camp head post office: 600054
- Tambaram head post office: 600045
Nearby PIN codes in Chennai
- Ambattur Indl Estate600058
- Madhavaram SO Tiruvallur600060
- Ambattur600053
- Nanganallur600061
- Madhavaram Milk Colony600051
- Padi600050
- Villivakkam600049
- Pozhal600066
Writing an address with 600057
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 Ennore Thermal Station post office Chennai, Tamil Nadu – 600057
Frequently asked questions
Which post office has PIN code 600057?
3 post offices share it: Ennore Thermal Station, Ernavur and Kamarajnagar, in Chennai district, Tamil Nadu.
Is 600057 a delivery PIN code?
Yes. Ennore Thermal Station delivers mail; letters addressed to 600057 are delivered.
Which district is 600057 in?
Chennai district, Tamil Nadu; some of its post offices are in Thiruvallur. It is in the Tambaram postal division (Chennai City Region) of the Tamilnadu postal circle.
What is the head post office for 600057?
The Tambaram postal division's head offices are Ambattur (600053), Avadi Camp (600054) and Tambaram (600045).
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.