600101 PIN Code: Anna Nagar Western Extn (Chennai)
600101 is the PIN code of Anna Nagar Western Extn in Chennai district, Tamil Nadu. Mail for 600101 is delivered by Anna Nagar Western Extn S.O.
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Anna Nagar Western Extn
600101 at a glance
- PIN code
- 600101
- Areas
- Anna Nagar Western Extn
- District
- Chennai
- State
- Tamil Nadu
- Postal circle
- Tamilnadu Circle
- Region / division
- Chennai City Region · Chennai City North Division
- Head office
- Park Town H.O (9.3 km east)
- Delivery office
- Anna Nagar Western Extn S.O
- Post offices
- 1 (1 sub office)
- Towns / local bodies
- Greater Chennai Corporation
- Type of area
- Urban (town or city)
- Approximate area
- about 2.5 km² (1.8 km east-west, 3.6 km north-south)
- Middle of the area
- 13.09039, 80.19355
- DIGIPIN of the middle
- 4T395TCCP9
- Sorting district code
- 600 (shared by 123 PIN codes; Chennai and Thiruvallur)
- Nearest PIN codes
- 600050 (0.7 km), 600040 (1.2 km), 600049 (2.3 km), 600038 (2.5 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 600101 is
- PIN 600101
- 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 (19 carry 600101). Blank parts have no known address nearby. Roads, railways and water: © OpenStreetMap contributors.
About the 600101 area
600101 is an urban PIN code in Chennai district, Tamil Nadu. India Post lists 1 post office under it: Anna Nagar Western Extn S.O. Mail for addresses with this PIN is delivered by Anna Nagar Western Extn S.O.
In India Post's structure, 600101 belongs to the Chennai City North Division, part of the Chennai City Region of the Tamilnadu Circle. The nearest head office of its division is Park Town H.O, about 9.3 km east. The first three digits, 600, are the sorting district code that 123 PIN codes share, covering Chennai and Thiruvallur.
Town areas with this PIN: Greater Chennai Corporation (municipal corporation).
The middle of the 600101 area is at 13.0904° N, 80.1935° E (DIGIPIN 4T395TCCP9), and the area is roughly 2.5 km² on our map. The closest PIN codes are 600050 (Padi, 0.7 km west), 600040 (Anna Nagar S.O (Chennai), 1.2 km south-east) and 600049 (Villivakkam, 2.3 km north-east).
Chennai district has 78 PIN codes. The one with the most post offices is 600001 (Chennai, 6); 600101 has 1. The one with the most villages is 600066 (Pozhal, 16).
Post offices with PIN code 600101
| Post office | Type and mail delivery |
|---|---|
| Anna Nagar Western Extn S.O | Sub 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 600101 mean
A letter to 600101 is sorted in four steps, one for each part of the code (all zones and circles):
- 1 · Zone600101
Southern zone: Tamil Nadu, Kerala
- 2 · Postal circle600101
Tamilnadu Circle
- 3 · Sorting district600101
Sorting district covering Chennai and Thiruvallur
- 4 · Delivery office600101
Delivered by Anna Nagar Western Extn S.O
Localities in the 600101 area
Neighbourhoods and places named on OpenStreetMap whose nearby mapped addresses mostly carry PIN 600101. Places on an edge can also fall in a neighbouring PIN.
Towns and local bodies with PIN 600101
- Municipal corporation Greater Chennai Corporation
PIN codes near 600101
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 600101
Name House / flat number, street Anna Nagar Western Extn, Chennai Tamil Nadu - 600101
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 600101
Which area has the PIN code 600101?
600101 is the PIN code of Anna Nagar Western Extn in Chennai district, Tamil Nadu.
Which district and state is 600101 in?
Chennai district in Tamil Nadu, in India Post's Tamilnadu Circle (Chennai City North Division).
How many post offices use 600101?
1 post office: Anna Nagar Western Extn S.O.
Which post office delivers mail for 600101?
Anna Nagar Western Extn S.O delivers mail for this PIN.
What is the head office for 600101?
Park Town H.O, about 9.3 km east of the 600101 area, is the nearest head office in the Chennai City North Division.
Is 600101 a rural or urban PIN code?
Urban: it covers town areas (Greater Chennai Corporation) and no villages are listed under it.
What are the PIN codes near 600101?
600050 (Padi, 0.7 km), 600040 (Anna Nagar S.O (Chennai), 1.2 km), 600049 (Villivakkam, 2.3 km), 600038 (Icf Colony, 2.5 km) and 600037 (Mogappair, 2.6 km), measured between the middles of the areas.
What is the DIGIPIN of the 600101 area?
4T395TCCP9 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 600101 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 78 PIN codes of Chennai · All PIN codes of Tamil Nadu · PIN code guides · Find the PIN code of where you are