600056 PIN Code: Poonamallee, Iyyappanthangal (Thiruvallur)
600056 is the PIN code of Poonamallee, Iyyappanthangal, Kattupakkam, Senneerkuppam in Thiruvallur district, Tamil Nadu. Mail for 600056 is delivered by Poonamallee SO. It covers 7 villages.
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Poonamallee, Iyyappanthangal, Kattupakkam
600056 at a glance
- PIN code
- 600056
- Areas
- Poonamallee, Iyyappanthangal, Kattupakkam and Senneerkuppam
- District
- Thiruvallur
- State
- Tamil Nadu
- Postal circle
- Tamilnadu Circle
- Region / division
- Chennai City Region · Tambaram Division
- Head office
- Ambattur HO (8.2 km north-east)
- Delivery office
- Poonamallee SO
- Post offices
- 4 (2 sub offices and 2 branch offices)
- Villages
- 7 in 3 tehsils
- Towns / local bodies
- Poonamallee
- Type of area
- Town and villages
- Approximate area
- about 23.9 km² (9.2 km east-west, 6.6 km north-south)
- Middle of the area
- 13.04628, 80.11937
- DIGIPIN of the middle
- 4T32F98292
- Sorting district code
- 600 (shared by 123 PIN codes; Chennai and Thiruvallur)
- Nearest PIN codes
- 600077 (2.1 km), 600122 (4.0 km), 600116 (4.9 km), 600125 (5.5 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 600056 is
- PIN 600056
- 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 (28 carry 600056). Blank parts have no known address nearby. Roads, railways and water: © OpenStreetMap contributors.
About the 600056 area
600056 is a PIN code covering town areas and villages in Thiruvallur district, Tamil Nadu. India Post lists 4 post offices under it: Poonamallee SO, Iyyappanthangal S.O, Kattupakkam BO and Senneerkuppam BO. Mail for addresses with this PIN is delivered by Poonamallee SO. The other 3 offices offer counter services but don't deliver.
In India Post's structure, 600056 belongs to the Tambaram Division, part of the Chennai City Region of the Tamilnadu Circle. The nearest head office of its division is Ambattur HO, about 8.2 km north-east. The first three digits, 600, are the sorting district code that 123 PIN codes share, covering Chennai and Thiruvallur.
7 villages in the Local Government Directory carry PIN 600056, spread over 3 tehsils: Poonamallee (4), Avadi (2) and Kundrathur (1). They include Ayyappanthangal (Ct), Kattupakkam (Ct), Nadukuthagai (Ct), Paleripattu and Poonamallee.
Town areas with this PIN: Poonamallee (municipality).
The middle of the 600056 area is at 13.0463° N, 80.1194° E (DIGIPIN 4T32F98292), and the area is roughly 23.9 km² on our map. The closest PIN codes are 600077 (Thiruverkadu, 2.1 km north), 600122 (Mangadu, 4.0 km south) and 600116 (Porur, 4.9 km east).
Thiruvallur district has 56 PIN codes. The one with the most post offices is 601201 (Gummidipundi, 15); 600056 has 4. The one with the most villages is 601201 (Gummidipundi, 67).
Post offices with PIN code 600056
| Post office | Type and mail delivery |
|---|---|
| Poonamallee SO | Sub office Delivers |
| Iyyappanthangal S.O | Sub office Counter only |
| Kattupakkam BO | Branch office Counter only |
| Senneerkuppam BO | Branch office Counter only |
"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 600056 mean
A letter to 600056 is sorted in four steps, one for each part of the code (all zones and circles):
- 1 · Zone600056
Southern zone: Tamil Nadu, Kerala
- 2 · Postal circle600056
Tamilnadu Circle
- 3 · Sorting district600056
Sorting district covering Chennai and Thiruvallur
- 4 · Delivery office600056
Delivered by Poonamallee SO
Localities in the 600056 area
Neighbourhoods and places named on OpenStreetMap whose nearby mapped addresses mostly carry PIN 600056. Places on an edge can also fall in a neighbouring PIN.
Villages under PIN code 600056 (7)
| Village | Mandal / tehsil | District |
|---|---|---|
| Ayyappanthangal (Ct) | Kundrathur | Kancheepuram |
| Kattupakkam (Ct) | Poonamallee | Thiruvallur |
| Nadukuthagai (Ct) | Avadi | Thiruvallur |
| Paleripattu | Avadi | Thiruvallur |
| Poonamallee | Poonamallee | Thiruvallur |
| Senneerkuppam (Ct) | Poonamallee | Thiruvallur |
| Thukkanampattu | Poonamallee | Thiruvallur |
Villages: Local Government Directory, Ministry of Panchayati Raj (list dated 1 Sep 2026), names as the government lists them.
Towns and local bodies with PIN 600056
- Municipality Poonamallee
PIN codes near 600056
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 600056
Name House / flat number, street Poonamallee, Thiruvallur Tamil Nadu - 600056
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 600056
Which area has the PIN code 600056?
600056 is the PIN code of Poonamallee, Iyyappanthangal, Kattupakkam and Senneerkuppam in Thiruvallur district, Tamil Nadu.
Which district and state is 600056 in?
Thiruvallur district in Tamil Nadu, in India Post's Tamilnadu Circle (Tambaram Division).
How many post offices use 600056?
4 post offices: Poonamallee SO, Iyyappanthangal S.O, Kattupakkam BO and Senneerkuppam BO.
Which post office delivers mail for 600056?
Poonamallee SO delivers mail for this PIN.
What is the head office for 600056?
Ambattur HO, about 8.2 km north-east of the 600056 area, is the nearest head office in the Tambaram Division.
Which villages come under PIN code 600056?
7 villages, including Ayyappanthangal (Ct), Kattupakkam (Ct), Nadukuthagai (Ct), Paleripattu, Poonamallee, Senneerkuppam (Ct) and Thukkanampattu. The full list is on this page.
Is 600056 a rural or urban PIN code?
Both: it covers town areas (Poonamallee) and 7 villages.
What are the PIN codes near 600056?
600077 (Thiruverkadu, 2.1 km), 600122 (Mangadu, 4.0 km), 600116 (Porur, 4.9 km), 600125 (Mugalivakkam, 5.5 km) and 600095 (Maduravoyal, 5.5 km), measured between the middles of the areas.
What is the DIGIPIN of the 600056 area?
4T32F98292 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 600056 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