India STD Codes

Find India STD codes for any city or area in India. Our comprehensive STD codes of India directory helps you quickly locate Indian STD code list information for making domestic long-distance calls across the country.

STD (Subscriber Trunk Dialing) codes are essential telephone area codes India used when calling landline numbers from different cities. Use our search tool below to find landline STD codes India by city name or city STD code India number.

या विभाजक

What Are STD Codes in India?

STD (Subscriber Trunk Dialing) codes are telephone area codes India that identify specific cities or regions for domestic long-distance calls. Each city in India has a unique STD code that must be dialed before the local phone number when calling from outside that area.

These codes are essential for landline STD codes India communication and help route calls correctly across the country's telecommunications network. STD codes typically range from 2 to 4 digits and are assigned by the Department of Telecommunications (DoT) in India.

How to Find STD Codes by City or Area

Finding STD code of Indian cities is easy with our search tool:

  1. Search by City Name: Enter the name of the city in the "Search by City" field above. The autocomplete feature will suggest matching cities as you type.
  2. Search by STD Code: If you know the STD code but want to find which city it belongs to, enter the code in the "Search by STD Code" field.
  3. View Results: The tool will display the city name and corresponding STD code instantly.

Our database includes comprehensive list of STD codes by city covering all major cities, state capitals, and popular destinations across India.

Popular STD Codes of Major Indian Cities

Here are the STD codes for some of the most searched cities in India:

City STD Code
Delhi 011
Mumbai 022
Bengaluru 080
Chennai 044
Kolkata 033
Hyderabad 040
Pune 020
Ahmedabad 079
Jaipur 0141
Lucknow 0522

Use the search tool above to find STD codes for any other city in India.

How to Dial a Landline Using an STD Code

Understanding how to dial STD code in India is important for making successful long-distance calls:

  • From Landline to Landline: Dial 0 + STD Code + Local Number. For example, to call Mumbai from Delhi: 0 + 022 + local Mumbai number.
  • From Mobile to Landline: Dial 0 + STD Code + Local Number. The format is the same as landline calls.
  • International Calls to India: Drop the initial '0' and dial +91 + STD Code + Local Number. For example: +91 22 + local Mumbai number.
  • Within the Same City: No STD code needed. Dial the local number directly.

Remember that STD codes are mandatory for all inter-city landline calls in India, whether you're calling from a mobile phone or another landline connection.

Related Travel & Utility Tools

Plan your complete journey with these helpful India travel tools:

  • Distance Calculator - Calculate driving distance and travel time between any two cities in India
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  • All Travel Tools - Explore our complete collection of India travel planning utilities

Frequently Asked Questions

What is an STD code in India?

STD (Subscriber Trunk Dialing) codes are telephone area codes used in India for domestic long-distance calls. Each city or region has a unique STD code that must be dialed before the local phone number when calling from outside that area. These codes help route calls correctly across India's telecommunications network.

How many digits are STD codes in India?

STD codes in India typically range from 2 to 4 digits. Major cities usually have 2-digit codes (like Mumbai 022, Delhi 011), while smaller cities and towns may have 3 or 4-digit codes. The Department of Telecommunications (DoT) assigns these codes based on the city's size and location.

Are STD codes still used in India?

Yes, STD codes are still actively used in India for landline telephone calls. While mobile numbers have their own 10-digit format, STD codes remain essential for making inter-city landline calls. They are mandatory when calling landline numbers from different cities or states within India.

How do I find the STD code of a city?

You can find the STD code of any city using our search tool above. Simply enter the city name in the search field, and the tool will display the corresponding STD code instantly. Alternatively, you can search by STD code to find which city it belongs to. Our database covers all major cities and regions across India.

How to dial STD code in India?

To make a long-distance call in India, dial: 0 + STD Code + Local Number. For example, to call Mumbai from Delhi, dial 0 + 022 + local Mumbai number. When calling from mobile phones, always prefix the STD code with '0'. For international calls to India, use +91 instead of 0.

What is the list of STD codes by city?

Our database includes a complete list of STD codes by city covering all major cities, state capitals, and popular destinations across India. You can find popular city codes in the table above, or use the search tool to find STD codes for any specific city in India.

Last Updated: January 2026
STD code information based on the Indian telecom numbering system as maintained by the Department of Telecommunications (DoT), Government of India.

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