Here is a complete list of STD (Subscriber Trunk Dialing) Codes for the National Capital Territory (NCT) of Delhi, India. Delhi is served by a single STD code – 011 – which applies uniformly across all its districts and localities.
| Area / Locality / District | STD Code |
|---|---|
| New Delhi (Central, South, North) | 011 |
| Old Delhi (Chandni Chowk, Daryaganj) | 011 |
| South Delhi (Kalkaji, Lajpat Nagar, etc.) | 011 |
| West Delhi (Janakpuri, Rajouri Garden) | 011 |
| East Delhi (Preet Vihar, Mayur Vihar) | 011 |
| North East Delhi (Seelampur, Yamuna Vihar) | 011 |
| North West Delhi (Rohini, Pitampura) | 011 |
| South West Delhi (Dwarka, Vasant Kunj) | 011 |
| Shahdara | 011 |
| Central Secretariat & Lutyens Zone | 011 |
| Connaught Place | 011 |
| Karol Bagh | 011 |
| Civil Lines | 011 |
| Okhla Industrial Area | 011 |
| Najafgarh | 011 |
| Narela | 011 |
| Burari | 011 |
| Mehrauli | 011 |
🔹 Note:
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No matter where you are within Delhi – from posh central zones to peripheral rural areas – the STD code remains 011.
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Neighboring cities like Gurgaon (0124), Noida (0120), Faridabad (0129), and Ghaziabad (0120) have different STD codes.
