631206 PIN Code: Madduru, Buchireddipalli (Thiruvallur)
631206 is the PIN code of Madduru, Buchireddipalli, Krishnasamudram, Ramasamudram in Thiruvallur district, Tamil Nadu. Mail for 631206 is delivered by Madduru S.O, Buchireddipalli B.O, Krishnasamudram B.O. It covers 6 villages.
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Madduru, Buchireddipalli, Krishnasamudram
631206 at a glance
- PIN code
- 631206
- Areas
- Madduru, Buchireddipalli, Krishnasamudram and Ramasamudram
- District
- Thiruvallur
- State
- Tamil Nadu
- Postal circle
- Tamilnadu Circle
- Region / division
- Chennai City Region · Kanchipuram Division
- Head office
- Tiruvallur H.O (36.8 km east)
- Delivery office
- Madduru S.O, Buchireddipalli B.O and Krishnasamudram B.O and 1 more
- Post offices
- 4 (1 sub office and 3 branch offices)
- Villages
- 6 in 2 tehsils
- Type of area
- Rural (villages)
- Middle of the area
- 13.20097, 79.57743
- DIGIPIN of the middle
- 4TFPM43LJL
- Sorting district code
- 631 (shared by 43 PIN codes; Thiruvallur and Kanchipuram)
- Nearest PIN codes
- 631209 (4.5 km), 631304 (4.8 km), 631213 (5.3 km), 631211 (5.3 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 631206 is
- PIN 631206
- 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 (1 carry 631206). Blank parts have no known address nearby. Roads, railways and water: © OpenStreetMap contributors.
About the 631206 area
631206 is a rural PIN code in Thiruvallur district, Tamil Nadu. India Post lists 4 post offices under it: Madduru S.O, Buchireddipalli B.O, Krishnasamudram B.O and Ramasamudram B.O. Mail for addresses with this PIN is delivered by Madduru S.O, Buchireddipalli B.O and Krishnasamudram B.O and 1 other offices.
In India Post's structure, 631206 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 36.8 km east. The first three digits, 631, are the sorting district code that 43 PIN codes share, covering Thiruvallur and Kanchipuram.
6 villages in the Local Government Directory carry PIN 631206, spread over 2 tehsils: Tiruttani (5) and Pallipattu (1). They include Krishnasamudram, Krishnasamudram B, Madam, Maddur and Maddur B.
The middle of the 631206 area is at 13.2010° N, 79.5774° E (DIGIPIN 4TFPM43LJL). The closest PIN codes are 631209 (Tiruttani, 4.5 km south-east), 631304 (Vanganur, 4.8 km south-west) and 631213 (Ponpadi Rs, 5.3 km south-east).
Thiruvallur district has 56 PIN codes. The one with the most post offices is 601201 (Gummidipundi, 15); 631206 has 4. The one with the most villages is 601201 (Gummidipundi, 67).
Post offices with PIN code 631206
| Post office | Type and mail delivery |
|---|---|
| Madduru S.O | Sub office Delivers |
| Buchireddipalli B.O | Branch office Delivers |
| Krishnasamudram B.O | Branch office Delivers |
| Ramasamudram 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 631206 mean
A letter to 631206 is sorted in four steps, one for each part of the code (all zones and circles):
- 1 · Zone631206
Southern zone: Tamil Nadu, Kerala
- 2 · Postal circle631206
Tamilnadu Circle
- 3 · Sorting district631206
Sorting district covering Thiruvallur and Kanchipuram
- 4 · Delivery office631206
Delivered by Madduru S.O, Buchireddipalli B.O
Villages under PIN code 631206 (6)
| Village | Mandal / tehsil | District |
|---|---|---|
| Krishnasamudram | Tiruttani | Thiruvallur |
| Krishnasamudram B | Tiruttani | Thiruvallur |
| Madam | Tiruttani | Thiruvallur |
| Maddur | Tiruttani | Thiruvallur |
| Maddur B | Tiruttani | Thiruvallur |
| Ramasamudram | Pallipattu | Thiruvallur |
Villages: Local Government Directory, Ministry of Panchayati Raj (list dated 1 Sep 2026), names as the government lists them.
PIN codes near 631206
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 631206
Name House / flat number, street Madduru, Thiruvallur Tamil Nadu - 631206
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 631206
Which area has the PIN code 631206?
631206 is the PIN code of Madduru, Buchireddipalli, Krishnasamudram and Ramasamudram in Thiruvallur district, Tamil Nadu.
Which district and state is 631206 in?
Thiruvallur district in Tamil Nadu, in India Post's Tamilnadu Circle (Kanchipuram Division).
How many post offices use 631206?
4 post offices: Madduru S.O, Buchireddipalli B.O, Krishnasamudram B.O and Ramasamudram B.O.
Which post office delivers mail for 631206?
Madduru S.O, Buchireddipalli B.O, Krishnasamudram B.O and Ramasamudram B.O deliver mail for this PIN.
What is the head office for 631206?
Tiruvallur H.O, about 36.8 km east of the 631206 area, is the nearest head office in the Kanchipuram Division.
Which villages come under PIN code 631206?
6 villages, including Krishnasamudram, Krishnasamudram B, Madam, Maddur, Maddur B and Ramasamudram. The full list is on this page.
Is 631206 a rural or urban PIN code?
Rural: 6 villages and no town bodies are listed under it.
What are the PIN codes near 631206?
631209 (Tiruttani, 4.5 km), 631304 (Vanganur, 4.8 km), 631213 (Ponpadi Rs, 5.3 km), 631211 (Saraswathinagar, 5.3 km) and 631202 (Athimanjeripeta, 5.3 km), measured between the middles of the areas.
What is the DIGIPIN of the 631206 area?
4TFPM43LJL 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 631206 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