Chennai map and PIN codes, Tamil Nadu
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- Chennai
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- Tiruvannamalai
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- Virudunagar
Chennai district at a glance
| Headquarters | Chennai |
|---|---|
| Population (Census 2011) | 4,646,732 (46.47 lakh) |
| Area | 175 sq km |
| Density (2011) | 26,553 people per sq km |
| Taluks (17) | Alandur, Ambattur, Aminjikarai, Ayanavaram, Egmore, Guindy, Kolathur, Madhavaram, Maduravoyal, Mambalam, Mylapore, Perambur, Purasaiwalkam, Sholinganallur, Tiruvottiyur, Tondiarpet, Velachery |
| In Chennai | BCA and MCA colleges · B.A., B.Sc. and B.Com. colleges · BBA, MBA and PGDM colleges · B.Ed., Nursing and Pharmacy colleges |
| Bordering districts include | Kanchipuram, Tiruvallur, Chengalpattu |
Population and area: Census of India 2011.
Official website of Chennai district: chennai.nic.in
Health help in Chennai district
- Emergency: call 108 for an ambulance, or 112.
- Free hospital treatment: families covered by Ayushman Bharat (PM-JAY), and everyone aged 70 or over, get treatment up to ₹5 lakh a year in government and listed private hospitals. Check or get the card at beneficiary.nha.gov.in or call 14555; the hospitals in Chennai district are listed on the PM-JAY hospital finder.
- Low-cost medicines: Jan Aushadhi Kendras sell generic medicines at a fraction of the usual price; find one in Chennai district by choosing Tamil Nadu and the district.
- Blood: e-RaktKosh shows the blood banks in Chennai district and the blood they have today.
- See a doctor online, free: eSanjeevani, the Health Ministry's video consultation service.
- Mental health: Tele-MANAS, 14416, free and open day and night.
More about each service: health help in India.
PIN codes of Chennai district
Main post offices of Chennai district and their six-digit PIN codes: 40 of its 145 head and sub post offices.
| Post office | PIN code |
|---|---|
| Alwarthirunagar | 600087 |
| Ambattur (head office) | 600053 |
| Anna Road (head office) | 600002 |
| Chennai (head office) | 600001 |
| Chetput | 600031 |
| EGMORE MDO | 600008 |
| Engineering College | 600025 |
| Ennore Thermal Station | 600057 |
| Flowers Road | 600084 |
| Fort St George | 600009 |
| Guindy Industrial Estate | 600032 |
| Indian Institute Of Technology | 600036 |
| Kalaignar Karunanidhi Nagar | 600078 |
| Kodambakkam | 600024 |
| LOK BHAVAN | 600022 |
| Manali | 600068 |
| Mogappair | 600037 |
| Mylapore (head office) | 600004 |
| Nandambakkam Kudiyiruppu | 600089 |
| Nandanam | 600035 |
| Nanganallur | 600061 |
| Park Town (head office) | 600003 |
| Perambur | 600011 |
| Perambur Barracks | 600012 |
| Periyar Nagar | 600082 |
| Pozhal | 600066 |
| Raja Annamalaipuram | 600028 |
| Rayapuram | 600013 |
| Saidapet | 600015 |
| Shenoy Nagar | 600030 |
| St Thomas Mount (head office) | 600016 |
| Teynampet | 600018 |
| Thygarayanagar (head office) | 600017 |
| Tiruvallikeni | 600005 |
| Tiruvanmiyur | 600041 |
| Tiruvottiyur | 600019 |
| Tondiarpet | 600081 |
| Vepery | 600007 |
| Vyasarpadi | 600039 |
| Washermanpet | 600021 |
Source: India Post, Department of Posts (October 2026). Other offices: India Post's Locate Post Office.