631203 PIN Code: Kadambathur, Egattur (Thiruvallur)
631203 is the PIN code of Kadambathur, Egattur, Kaivandur, Pandur and 6 more in Thiruvallur district, Tamil Nadu. Mail for 631203 is delivered by Kadambathur S.O, Egattur B.O, Kaivandur B.O. It covers 32 villages.
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Kadambathur, Egattur, Kaivandur
631203 at a glance
- PIN code
- 631203
- Areas
- Kadambathur, Egattur, Kaivandur, Pandur, Pattaraiperumbudur and Pudumavilangai and 4 more
- District
- Thiruvallur
- State
- Tamil Nadu
- Postal circle
- Tamilnadu Circle
- Region / division
- Chennai City Region · Kanchipuram Division
- Head office
- Tiruvallur H.O (5.8 km north-east)
- Delivery office
- Kadambathur S.O, Egattur B.O and Kaivandur B.O and 7 more
- Post offices
- 10 (1 sub office and 9 branch offices)
- Villages
- 32 in 1 tehsil
- Type of area
- Rural (villages)
- Middle of the area
- 13.09461, 79.87165
- DIGIPIN of the middle
- 4T3F455792
- Sorting district code
- 631 (shared by 43 PIN codes; Thiruvallur and Kanchipuram)
- Nearest PIN codes
- 631302 (2.4 km), 602002 (4.4 km), 631204 (5.9 km), 602001 (6.1 km)
Sources: India Post's All India Pincode Directory (list dated 3 Oct 2025), the Local Government Directory (Ministry of Panchayati Raj), OpenStreetMap. Area and middle point are approximate, from our map.
Where PIN 631203 is
- PIN 631203
- Neighbouring PIN codes (tap one)
- Post office that delivers mail
- Other post offices (counter only)
- Main roads, railways and water
An approximate shape, not an official boundary: India Post doesn't publish PIN boundary maps. Each spot takes the PIN of the nearest post office or address mapped on OpenStreetMap (2 carry 631203). Blank parts have no known address nearby. Roads, railways and water: © OpenStreetMap contributors.
About the 631203 area
631203 is a rural PIN code in Thiruvallur district, Tamil Nadu. India Post lists 10 post offices under it: Kadambathur S.O, Egattur B.O, Kaivandur B.O, Pandur B.O and Pattaraiperumbudur B.O and 5 more. Mail for addresses with this PIN is delivered by Kadambathur S.O, Egattur B.O and Kaivandur B.O and 7 other offices.
In India Post's structure, 631203 belongs to the Kanchipuram Division, part of the Chennai City Region of the Tamilnadu Circle. The nearest head office of its division is Tiruvallur H.O, about 5.8 km north-east. The first three digits, 631, are the sorting district code that 43 PIN codes share, covering Thiruvallur and Kanchipuram.
32 villages in the Local Government Directory carry PIN 631203, spread over 1 tehsil: Thiruvallur (32). They include Attupakkam, Egattur, Kadambathur (Ct), Kaivandur and Kalianur.
The middle of the 631203 area is at 13.0946° N, 79.8717° E (DIGIPIN 4T3F455792). The closest PIN codes are 631302 (Erumbi, 2.4 km north), 602002 (Manavalanagar, 4.4 km east) and 631204 (Kanakammachatram, 5.9 km north-east).
Thiruvallur district has 56 PIN codes. The one with the most post offices is 601201 (Gummidipundi, 15); 631203 has 10. The one with the most villages is 601201 (Gummidipundi, 67).
Post offices with PIN code 631203
| Post office | Type and mail delivery |
|---|---|
| Kadambathur S.O | Sub office Delivers |
| Egattur B.O | Branch office Delivers |
| Kaivandur B.O | Branch office Delivers |
| Pandur B.O | Branch office Delivers |
| Pattaraiperumbudur B.O | Branch office Delivers |
| Pudumavilangai B.O | Branch office Delivers |
| Selai B.O | Branch office Delivers |
| Senji B.O | Branch office Delivers |
| Tirupasur B.O | Branch office Delivers |
| Vidaiyur B.O | Branch office Delivers |
"Delivers" means postmen from that office bring mail to addresses with this PIN. Head offices run a postal division's accounts; sub offices serve towns; branch offices are small, mostly village offices working under a sub office. More on the types of post offices.
What the digits of 631203 mean
A letter to 631203 is sorted in four steps, one for each part of the code (all zones and circles):
- 1 · Zone631203
Southern zone: Tamil Nadu, Kerala
- 2 · Postal circle631203
Tamilnadu Circle
- 3 · Sorting district631203
Sorting district covering Thiruvallur and Kanchipuram
- 4 · Delivery office631203
Delivered by Kadambathur S.O, Egattur B.O
Villages under PIN code 631203 (32)
| Village | Mandal / tehsil | District |
|---|---|---|
| Attupakkam | Thiruvallur | Thiruvallur |
| Egattur | Thiruvallur | Thiruvallur |
| Kadambathur (Ct) | Thiruvallur | Thiruvallur |
| Kaivandur | Thiruvallur | Thiruvallur |
| Kalianur | Thiruvallur | Thiruvallur |
| Kanagavallipuram | Thiruvallur | Thiruvallur |
| Kannan Karani | Thiruvallur | Thiruvallur |
| Karanai | Thiruvallur | Thiruvallur |
| Kasavanallathur | Thiruvallur | Thiruvallur |
| Kavankolathur | Thiruvallur | Thiruvallur |
| Keelvilagam | Thiruvallur | Thiruvallur |
| Kolunthalur | Thiruvallur | Thiruvallur |
| Madathukuppam | Thiruvallur | Thiruvallur |
| Melvilagam | Thiruvallur | Thiruvallur |
| Nemiliagaram | Thiruvallur | Thiruvallur |
| Panambakkam | Thiruvallur | Thiruvallur |
| Pandur | Thiruvallur | Thiruvallur |
| Pattaraiperumbudur | Thiruvallur | Thiruvallur |
| Pinjivakkam | Thiruvallur | Thiruvallur |
| Praiyankuppam | Thiruvallur | Thiruvallur |
| Pudumavelangai | Thiruvallur | Thiruvallur |
| Ramankoil | Thiruvallur | Thiruvallur |
| Satharai | Thiruvallur | Thiruvallur |
| Selai | Thiruvallur | Thiruvallur |
| Senji | Thiruvallur | Thiruvallur |
| Siruvanur | Thiruvallur | Thiruvallur |
| Thirupachur | Thiruvallur | Thiruvallur |
| Thozhuthavakkam | Thiruvallur | Thiruvallur |
| Varathapuram | Thiruvallur | Thiruvallur |
| Vedaiyur | Thiruvallur | Thiruvallur |
| Vedanginallur | Thiruvallur | Thiruvallur |
| Venmanambudur | Thiruvallur | Thiruvallur |
Villages: Local Government Directory, Ministry of Panchayati Raj (list dated 1 Sep 2026), names as the government lists them.
PIN codes near 631203
Distances are as the crow flies, between the middles of each PIN's mapped addresses and post offices.
How to write an address with PIN 631203
Name House / flat number, street Kadambathur, Thiruvallur Tamil Nadu - 631203
Write the 6 digits in full at the end, after the state. Use the area name that matches your street, from the post offices above. How to write an Indian address.
Questions about PIN 631203
Which area has the PIN code 631203?
631203 is the PIN code of Kadambathur, Egattur, Kaivandur and Pandur and other areas in Thiruvallur district, Tamil Nadu.
Which district and state is 631203 in?
Thiruvallur district in Tamil Nadu, in India Post's Tamilnadu Circle (Kanchipuram Division).
How many post offices use 631203?
10 post offices: Kadambathur S.O, Egattur B.O, Kaivandur B.O, Pandur B.O, Pattaraiperumbudur B.O, Pudumavilangai B.O, Selai B.O and Senji B.O and others.
Which post office delivers mail for 631203?
Kadambathur S.O, Egattur B.O, Kaivandur B.O and Pandur B.O deliver mail for this PIN.
What is the head office for 631203?
Tiruvallur H.O, about 5.8 km north-east of the 631203 area, is the nearest head office in the Kanchipuram Division.
Which villages come under PIN code 631203?
32 villages, including Attupakkam, Egattur, Kadambathur (Ct), Kaivandur, Kalianur, Kanagavallipuram, Kannan Karani and Karanai. The full list is on this page.
Is 631203 a rural or urban PIN code?
Rural: 32 villages and no town bodies are listed under it.
What are the PIN codes near 631203?
631302 (Erumbi, 2.4 km), 602002 (Manavalanagar, 4.4 km), 631204 (Kanakammachatram, 5.9 km), 602001 (Tiruvallur, 6.1 km) and 602003 (Kakalur Ind Estate, 6.2 km), measured between the middles of the areas.
What is the DIGIPIN of the 631203 area?
4T3F455792 is the DIGIPIN of the middle of the area. A DIGIPIN marks a spot about 4 metres wide, so every house has its own; use the DIGIPIN tool for your exact spot.
Is 631203 the PIN code of my address?
If you are at the address, tap "Is this my PIN code?" at the top of this page. Otherwise check that your street's area matches one of the post offices or localities listed here. For anything important, confirm with your post office.
Post offices: India Post, All India Pincode Directory on data.gov.in (Government Open Data License - India), list dated 3 Oct 2025. District names are as India Post lists them and can differ from the revenue district. Not an India Post website: for anything important, confirm with your post office.
More PIN codes
All 56 PIN codes of Thiruvallur · All PIN codes of Tamil Nadu · PIN code guides · Find the PIN code of where you are