- PIN code
- 603004
- Main post office
- Mahindra World City SO Kanchipuram (sub office)
- District
- Chengalpattu
- State
- Tamil Nadu
- Postal division
- Chengalpattu
- Region and circle
- Chennai City Region, Tamilnadu circle
- Delivery
- Delivery PIN (2 of 2 offices deliver)
- Location
- Open on a map (12.706, 79.974)
Post offices with PIN 603004
| Post office | Type | Delivery |
|---|---|---|
| Mahindra World City SO Kanchipuram | Sub office | Delivers mail |
| Ammanambakkam | Branch office | Delivers mail |
603004 covers 0 head offices, 1 sub office and 1 branch office.
What the digits of 603004 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.
- 603: the sorting district, shared by 44 PINs in 2 districts.
- 004: the delivery post office within it, Mahindra World City SO Kanchipuram.
Head post office for 603004
The post offices with this PIN belong to the Chengalpattu 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.
- Chengalpattu head post office: 603001
Nearby PIN codes in Chengalpattu
- Vallam603003
- Nathamchengalpattu603002
- Chengalpattu603001
- Athurchengalpattu603101
- Kalpakkam603102
- Kelambakkam603103
- Mamallapuram603104
- Manambathi603105
All 60 PIN codes in Chengalpattu
Writing an address with 603004
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 Mahindra World City SO Kanchipuram post office Chengalpattu, Tamil Nadu – 603004
Frequently asked questions
Which post office has PIN code 603004?
2 post offices share it: Mahindra World City SO Kanchipuram and Ammanambakkam, in Chengalpattu district, Tamil Nadu.
Is 603004 a delivery PIN code?
Yes. All 2 of its post offices deliver mail; letters addressed to 603004 are delivered.
Which district is 603004 in?
Chengalpattu district, Tamil Nadu. It is in the Chengalpattu postal division (Chennai City Region) of the Tamilnadu postal circle.
What is the head post office for 603004?
The Chengalpattu postal division's head office is Chengalpattu (603001).
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.