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Area code for Delhi
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Key neighborhoods and districts
Prefix: 11
Central business district and major commercial hub of New Delhi
Prefix: 11
Asia's largest IT and electronics market
Prefix: 11
Rapidly developing residential and commercial area near the airport
Prefix: 11
Upscale neighborhood with major shopping and business centers
Delhi, India's capital territory, serves as the political and administrative heart of the nation. With a population exceeding 30 million in the National Capital Region, Delhi is a major hub for government, business, education, and culture. The city operates on Indian Standard Time (IST, UTC+5:30) and hosts thousands of domestic and international businesses, embassies, and organizations. Calling Delhi connects you to India's power center, whether you're reaching government offices in Central Delhi, tech companies in Gurgaon, or manufacturing units in Noida. The telecommunications infrastructure is robust and modern, with excellent coverage across all areas including New Delhi, Old Delhi, and satellite cities. Delhi's business culture is formal yet efficient, with most professionals fluent in both English and Hindi. The city's strategic importance means many international calls flow through Delhi daily. Understanding local business hours and cultural norms ensures your calls are well-received and productive.
Historic commercial center with offices, shops, and restaurants
Format: +91 11 XXXX XXXX
Modern hospitality and business district near IGI Airport
Format: +91 11 XXXX XXXX
Major IT and corporate hub in Delhi NCR
Format: +91 124 XXXX XXXX
Delhi experiences extreme weather with very hot summers (April-June) and cold winters (December-January). Air quality can be poor, especially in winter months. Traffic congestion is significant - plan calls considering commute times. The city is 5.5 hours ahead of GMT/UTC. Major festivals like Diwali may affect business operations.
Step-by-step dialing instructions
For local calls within Delhi, dial the 10-digit number directly. For international calls: Your exit code + 91 (India) + 11 (Delhi) + 8-digit number. Mobile numbers work the same throughout India without area codes.
Delhi landlines start with 11 followed by 8 digits. Government offices often use specific prefixes. Mobile numbers are standard 10-digit Indian numbers.
Excellent coverage from all major carriers including Jio, Airtel, and Vodafone Idea throughout Delhi NCR.
Business calls between 10 AM - 6 PM IST are appropriate. Avoid calling during major national holidays. Government offices have specific visiting hours that align with call availability.
Example: +91 11 1234567
Common reasons people call this city
Connect with ministries, departments, and administrative offices in India's capital
Reach out to companies in Delhi's diverse industrial and service sectors
Contact Delhi's prestigious universities and research centers
Stay connected with loved ones in the National Capital Region
Key statistics and information
Population
Time Zone
Business Hours
Peak Times
Get answers to common questions
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