- PIN code
- 603103
- Main post office
- Kelambakkam (sub office)
- District
- Chengalpattu
- State
- Tamil Nadu
- Postal division
- Tambaram
- Region and circle
- Chennai City Region, Tamilnadu circle
- Delivery
- Delivery PIN (2 of 3 offices deliver)
- Location
- Open on a map (12.118, 80.372)
Post offices with PIN 603103
| Post office | Type | Delivery |
|---|---|---|
| Kelambakkam | Sub office | Delivers mail |
| Padur | Sub office | Counter only |
| Pudupakkam | Branch office | Delivers mail |
603103 covers 0 head offices, 2 sub offices and 1 branch office.
What the digits of 603103 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.
- 103: the delivery post office within it, Kelambakkam.
Head post office for 603103
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 Chengalpattu
- Kalpakkam603102
- Mamallapuram603104
- Athurchengalpattu603101
- Manambathi603105
- Sembakkam603108
- Tirukalikundram603109
- Tiruporur603110
- Venpakkam603111
All 60 PIN codes in Chengalpattu
Writing an address with 603103
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 Kelambakkam post office Chengalpattu, Tamil Nadu – 603103
Frequently asked questions
Which post office has PIN code 603103?
3 post offices share it: Kelambakkam, Padur and Pudupakkam, in Chengalpattu district, Tamil Nadu.
Is 603103 a delivery PIN code?
Yes. Kelambakkam and Pudupakkam deliver mail; letters addressed to 603103 are delivered.
Which district is 603103 in?
Chengalpattu district, Tamil Nadu. It is in the Tambaram postal division (Chennai City Region) of the Tamilnadu postal circle.
What is the head post office for 603103?
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.