631604 PIN Code: Thenneri, Echoor (Kanchipuram)
631604 is the PIN code of Thenneri, Echoor, Kunnam, Panruti and 2 more in Kanchipuram district, Tamil Nadu. Mail for 631604 is delivered by Thenneri S.O, Echoor B.O, Kunnam B.O. It covers 29 villages.
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Thenneri, Echoor, Kunnam
631604 at a glance
- PIN code
- 631604
- Areas
- Thenneri, Echoor, Kunnam, Panruti, Sinnivakkam and Varanavasi
- District
- Kanchipuram
- State
- Tamil Nadu
- Postal circle
- Tamilnadu Circle
- Region / division
- Chennai City Region · Kanchipuram Division
- Head office
- Tiruvallur H.O (18.6 km north)
- Delivery office
- Thenneri S.O, Echoor B.O and Kunnam B.O and 3 more
- Post offices
- 6 (1 sub office and 5 branch offices)
- Villages
- 29 in 2 tehsils
- Type of area
- Rural (villages)
- Approximate area
- about 0.2 km² (0.9 km east-west, 0.9 km north-south)
- Middle of the area
- 12.96747, 79.94181
- DIGIPIN of the middle
- 4T3J629849
- Sorting district code
- 631 (shared by 43 PIN codes; Thiruvallur and Kanchipuram)
- Nearest PIN codes
- 602108 (0.0 km), 631553 (0.0 km), 602105 (0.4 km), 602117 (3.2 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 631604 is
- PIN 631604
- 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 631604). Blank parts have no known address nearby. Roads, railways and water: © OpenStreetMap contributors.
About the 631604 area
631604 is a rural PIN code in Kanchipuram district, Tamil Nadu. India Post lists 6 post offices under it: Thenneri S.O, Echoor B.O, Kunnam B.O, Panruti B.O and Sinnivakkam B.O and 1 more. Mail for addresses with this PIN is delivered by Thenneri S.O, Echoor B.O and Kunnam B.O and 3 other offices.
In India Post's structure, 631604 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 18.6 km north. The first three digits, 631, are the sorting district code that 43 PIN codes share, covering Thiruvallur and Kanchipuram.
29 villages in the Local Government Directory carry PIN 631604, spread over 2 tehsils: Walajabad (21) and Sriperumbudur (8). They include Ambakkam, Ayimicheri, Boodhanur, Chinnamadurapakkam and Echoor.
The middle of the 631604 area is at 12.9675° N, 79.9418° E (DIGIPIN 4T3J629849), and the area is roughly 0.2 km² on our map. The closest PIN codes are 602108 (Pannur S.O (Kanchipuram), 0.0 km east), 631553 (Edayarpakkam, 0.0 km north) and 602105 (Sriperumbudur, 0.4 km east).
Kanchipuram district has 26 PIN codes. The one with the most post offices is 631502 (Big Kanchipuram, 15); 631604 has 6. The one with the most villages is 631502 (Big Kanchipuram, 65).
Post offices with PIN code 631604
| Post office | Type and mail delivery |
|---|---|
| Thenneri S.O | Sub office Delivers |
| Echoor B.O | Branch office Delivers |
| Kunnam B.O | Branch office Delivers |
| Panruti B.O | Branch office Delivers |
| Sinnivakkam B.O | Branch office Delivers |
| Varanavasi 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 631604 mean
A letter to 631604 is sorted in four steps, one for each part of the code (all zones and circles):
- 1 · Zone631604
Southern zone: Tamil Nadu, Kerala
- 2 · Postal circle631604
Tamilnadu Circle
- 3 · Sorting district631604
Sorting district covering Thiruvallur and Kanchipuram
- 4 · Delivery office631604
Delivered by Thenneri S.O, Echoor B.O
Villages under PIN code 631604 (29)
| Village | Mandal / tehsil | District |
|---|---|---|
| Ambakkam | Walajabad | Kancheepuram |
| Ayimicheri | Walajabad | Kancheepuram |
| Boodhanur | Sriperumbudur | Kancheepuram |
| Chinnamadurapakkam | Walajabad | Kancheepuram |
| Echoor | Sriperumbudur | Kancheepuram |
| Echoor B | Sriperumbudur | Kancheepuram |
| Kattavakkam | Walajabad | Kancheepuram |
| Kovalavedu | Walajabad | Kancheepuram |
| Kunnam | Sriperumbudur | Kancheepuram |
| Kunnavakkam | Walajabad | Kancheepuram |
| Madavilagam | Walajabad | Kancheepuram |
| Manjamedu | Walajabad | Kancheepuram |
| Mettupalayam | Sriperumbudur | Kancheepuram |
| Navettikulam | Walajabad | Kancheepuram |
| Oddanthangal | Walajabad | Kancheepuram |
| Panrutti | Sriperumbudur | Kancheepuram |
| Panrutti B | Sriperumbudur | Kancheepuram |
| Periamadurapakkam | Walajabad | Kancheepuram |
| Pichivakkam | Sriperumbudur | Kancheepuram |
| Sinnivakkam | Walajabad | Kancheepuram |
| Sirupagal | Walajabad | Kancheepuram |
| Thalaiyillillaperumbakkam | Walajabad | Kancheepuram |
| Thalayampattu | Walajabad | Kancheepuram |
| Thenneri | Walajabad | Kancheepuram |
| Thiruvenkaranai | Walajabad | Kancheepuram |
| Thollazhi | Walajabad | Kancheepuram |
| Varanavasi | Walajabad | Kancheepuram |
| Vembakkam | Walajabad | Kancheepuram |
| Vilagam | Walajabad | Kancheepuram |
Villages: Local Government Directory, Ministry of Panchayati Raj (list dated 1 Sep 2026), names as the government lists them.
PIN codes near 631604
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 631604
Name House / flat number, street Thenneri, Kanchipuram Tamil Nadu - 631604
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 631604
Which area has the PIN code 631604?
631604 is the PIN code of Thenneri, Echoor, Kunnam and Panruti and other areas in Kanchipuram district, Tamil Nadu.
Which district and state is 631604 in?
Kanchipuram district in Tamil Nadu, in India Post's Tamilnadu Circle (Kanchipuram Division).
How many post offices use 631604?
6 post offices: Thenneri S.O, Echoor B.O, Kunnam B.O, Panruti B.O, Sinnivakkam B.O and Varanavasi B.O.
Which post office delivers mail for 631604?
Thenneri S.O, Echoor B.O, Kunnam B.O and Panruti B.O deliver mail for this PIN.
What is the head office for 631604?
Tiruvallur H.O, about 18.6 km north of the 631604 area, is the nearest head office in the Kanchipuram Division.
Which villages come under PIN code 631604?
29 villages, including Ambakkam, Ayimicheri, Boodhanur, Chinnamadurapakkam, Echoor, Echoor B, Kattavakkam and Kovalavedu. The full list is on this page.
Is 631604 a rural or urban PIN code?
Rural: 29 villages and no town bodies are listed under it.
What are the PIN codes near 631604?
602108 (Pannur S.O (Kanchipuram), 0.0 km), 631553 (Edayarpakkam, 0.0 km), 602105 (Sriperumbudur, 0.4 km), 602117 (Irungattukottai, 3.2 km) and 604403 (Kilkodungalur, 6.9 km), measured between the middles of the areas.
What is the DIGIPIN of the 631604 area?
4T3J629849 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 631604 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 26 PIN codes of Kanchipuram · All PIN codes of Tamil Nadu · PIN code guides · Find the PIN code of where you are