- PIN code
- 631203
- Main post office
- Kadambathur (sub office)
- District
- Thiruvallur
- State
- Tamil Nadu
- Postal division
- Kanchipuram
- Region and circle
- Chennai City Region, Tamilnadu circle
- Delivery
- Delivery PIN (10 of 10 offices deliver)
- Location
- Open on a map (13.600, 79.510)
Post offices with PIN 631203
| Post office | Type | Delivery |
|---|---|---|
| Kadambathur | Sub office | Delivers mail |
| Egattur | Branch office | Delivers mail |
| Kaivandur | Branch office | Delivers mail |
| Pandur | Branch office | Delivers mail |
| Pattaraiperumbudur | Branch office | Delivers mail |
| Pudumavilangai | Branch office | Delivers mail |
| Selai | Branch office | Delivers mail |
| Senji | Branch office | Delivers mail |
| Tirupasur | Branch office | Delivers mail |
| Vidaiyur | Branch office | Delivers mail |
631203 covers 0 head offices, 1 sub office and 9 branch offices.
What the digits of 631203 mean
- 6: India Post's Southern region, which covers Kerala, Lakshadweep, Puducherry and Tamil Nadu (3,512 PINs).
- 63: the Tamilnadu postal circle; 524 PINs start with 63.
- 631: the sorting district, shared by 43 PINs in 4 districts.
- 203: the delivery post office within it, Kadambathur.
Head post office for 631203
The post offices with this PIN belong to the Kanchipuram 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.
- Kanchipuram head post office: 631501
- Tiruvallur head post office: 602001
Nearby PIN codes in Thiruvallur
- Athimanjeripeta631202
- Kanakammachatram631204
- Arungolam631201
- Kg Kandigai631205
- Madduru631206
- Pallipat631207
- Podaturpeta631208
- Tiruttani631209
All 61 PIN codes in Thiruvallur
Writing an address with 631203
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 Kadambathur post office Thiruvallur, Tamil Nadu – 631203
Frequently asked questions
Which post office has PIN code 631203?
10 post offices share it: Kadambathur, Egattur, Kaivandur, Pandur, Pattaraiperumbudur, Pudumavilangai and 4 more, in Thiruvallur district, Tamil Nadu.
Is 631203 a delivery PIN code?
Yes. All 10 of its post offices deliver mail; letters addressed to 631203 are delivered.
Which district is 631203 in?
Thiruvallur district, Tamil Nadu. It is in the Kanchipuram postal division (Chennai City Region) of the Tamilnadu postal circle.
What is the head post office for 631203?
The Kanchipuram postal division's head offices are Kanchipuram (631501) and Tiruvallur (602001).
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.