How to Call Chennai, India provides detailed information for making international long distance telephone calls to Chennai, India from any country in the world.

Dial Chennai, India

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Chennai, formerly known as Madras, is the 4th largest metropolitan area in India with a population of 7.5 million people. Chennai is located in the state of Tamil Nadu along the southeastern coast of India. Chennai is on the thermal equator and has a hot and humid climate year round. The city gets about 51 inches of rain per year, mostly during monsoon season. Chennai has an industrial economy with strong presence of the automobile, technology, hardware manufacturing, and healthcare industries. more on Chennai >>

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Phone Number Format for International Calls

To make an international phone call to Chennai, you generally will need to dial a phone number formatted as follows:

General International Phone Number Format
for Calling Chennai

xxx 91  44  nnnn nnnn 
access code
local subscriber

Taking this general format, you need to plug in the outbound international access code for your originating country and the local subscriber number in Chennai.

Note: this format applies to dialing Chennai landline phone numbers. See below for dialing codes for calling Chennai mobile phones.

More on int'l phone numbers >>>>>

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Landline vs. Mobile Phone Number Formats

In Chennai, landline phones and mobile phones have different phone number formats. Both types of phone numbers are 10-digits long, but Chennai landline phones include the 2-digit Chennai area code (' 44 ') whereas Chennai mobile phones do not require a separate area code.

The complete international phone numbers you should use to reach the two types of phones are shown below.

Landline vs. Mobile Phone Number Format
Chennai landline numbers
(2-digit area code + 8-digit landline number starting with '2', '3', '4', or '6')
xxx 91 44 nnnn nnnn 
Chennai mobile numbers
(10-digits starting with '9' - no separate area code)
xxx 91 9x nn nnnnnn 

Note: 11-digit mobile numbers have been announced and may be implemented at some point. As and when that happens, you will need the updated 11-digit mobile number to complete your call.

More on landline vs. mobile dialing >>>>>

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Call Chennai from Selected Countries

Follow the country links below for dialing codes, phone number formats, and step-by-step dialing instructions for calling Chennai, India from these selected countries.

If your country is not listed, you can lookup international access codes / IDDs here and you can lookup country codes here.

Call Chennai from Selected Countries
The Americas
Call Chennai from the USA
Call Chennai from Canada
Call Chennai from Mexico
Call Chennai from Brazil
Call Chennai from the UK
Call Chennai from Germany
Call Chennai from France
Call Chennai from Italy
Middle East & Africa
Call Chennai from Bahrain
Call Chennai from Kuwait
Call Chennai from Qatar
Call Chennai from Saudi Arabia
Call Chennai from UAE / Dubai
Call Chennai from South Africa
Asia Pacific
Call Chennai from Australia
Call Chennai from China
Call Chennai from Japan
Call Chennai from New Zealand
Call Chennai from Philippines
Call Chennai from South Korea
Call Chennai from Taiwan

Some countries, e.g., Australia, Brazil, France, and Singapore, have more than one international access code (or 'IDD') to designate specific carriers, specific countries, or other purposes. Be sure to use the correct telephone code for your carrier or calling plan when calling Chennai. Follow the country links above to find these codes.

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Call Chennai from Any Country

To make an international call to Chennai, India, you first need to dial the international access code (aka 'IDD') for your originating country. You can lookup the international access code for your country in the widget below.

Find an International Access Code / IDD
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Your IDD
Your IDD will print here

Insert your IDD at the maroon x's below to create a complete international phone number for calling Chennai.

  • Phone number format to call a Chennai landline number:
    'xxx 91 44 nnnn nnnn '
  • Phone number format to call a Chennai mobile number:
    'xxx 91 9x nn nnnnnn '


  • Some countries, e.g., Australia, France, Singapore, use more than one IDD to designate specific carriers, specific countries, or other purposes. Be sure to use the correct code for your carrier or calling plan.
  • A '~' symbol indicates a dialing pause. Dial any numbers before the '~', then wait for tone before continuing to dial.

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