Call Kolkata, India

Dialing Codes for Calling Kolkata

Use these telephone dialing codes to call Kolkata, India from another country.

Phone Number Formats to Call Kolkata

To make an international telephone call to Kolkata, you need to dial a phone number formatted correctly for either a landline or mobile phone as follows:

Call a Kolkata Landline Phone

ccc	91	33	nnnn nnnn
international access code	country code	area code	local subscriber number

Call a Kolkata Mobile Phone

ccc	91	9x xxx xxxxx
international access code	country code	10-digit mobile number

Click here for more on information on India phone numbers.

How to Make an International Call to Kolkata

To make an international call to Kolkata, India, follow this international dialing procedure.

1. Dial your international access code / IDD:  ccc

Note that some mobile operators do not require dialing an IDD and/or allow use of substitute characters (such as '+') in lieu of an international access code.

2. Dial India country code:  91 

Dial country code +91 to reach any location in India. Country codes are also known as ISDs or international subscriber dialing codes.

3. Confirm that you have a 10-digit Kolkata local subscriber number

All India local subscriber numbers are 10-digits long. If you don't have a 10-digit number, then the next steps may correct the problem. If not, you will need to get a valid 10-digit number somehow. More on local subscriber numbers, including differences between landline and mobile numbers.

4. If you have an 11-digit Kolkata number starting with '0', remove the '0'

If your Kolkata destination phone number starts with a '0' - e.g., 033 45481800 or 094 451 23456, delete the '0'. The '0' is required only for domestic long distance calls (NLD calls).

5. Determine if calling to a landline or a mobile phone

India landline and mobile phone numbers are formatted differently. Landline numbers contain both an area code and a local subscriber number. Mobile numbers are always 10-digits and do not require a separate area code. Check here to learn how to tell landline numbers from mobile phone numbers.

6. If calling a Kolkata landline phone number...

Kolkata landline numbers consist of a 2-digit area code and an 8-digit local subscriber number (10-digits total). When written, sometimes there's a space separating the area code, sometimes not. If you have a 10-digit number, you can simply dial it. If not, use the area code below.

a. Dial Kolkata area code:  33 

Kolkata has just one 2-digit area code.

b. Dial the local subscriber number:  nnnn nnnn

Kolkata landline subscriber numbers are all 8-digits. You can lookup BSNL and other phone numbers here.

7. If calling a Kolkata mobile phone number...

Simply dial the 10-digit mobile number:  9x xxx xxxxx

All mobile phones in India have 10-digits and start with '9'. No area code should be dialed.

Call Kolkata from Selected Countries

Follow the links below for complete landline and mobile telephone dialing information for making international calls to Kolkata.

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