India STD Codes Finder

What is STD (Subscriber Trunk Dialling) Code?

Subscriber Trunk Dialing Code usually known as STD Code is allotted to each city or village/town in India. STD Codes are of multiple types based on the size of the city. STD codes can be between 2 and 8 digits long. Big cities & largest metropolitan areas such as Delhi, Mumbai, Chennai, Pune, Kolkata, etc. have 2 digits STD Codes in the other hand, Tier2 cities such as Patiala, Nashik, Surat, Durgapur, Kochi, Kolhapur, Jalandhar & other small cities have STD Codes of 3 digits.

How to Use STD Code?

• When the STD code is 2-digit, the phone of the subscriber’s number will be 8-digit (2 Digits STD Code + 8 Digits subscriber’s phone number)


• When the STD code is 3-digit, the phone of the subscriber’s number will be 7-digit (3 Digits STD Code + 7 Digits subscriber’s phone number)


• When the STD code is 4-digit, the phone of the subscriber’s number will be 6-digit (4 Digits STD Code + 6 Digits subscriber’s phone number)

STD Code List of Tier-1 Cities

A Telephone Access Code (STD) is assigned to each city, town and village in India. The larger Metro cities have shorter area codes (STD codes), the shortest being 2 digits. Below we have given the complete list of STD code list of tier-1 cities in India.

STD Code List of Tier-2 Cities

In India tier-2 cities have a 3-digit STD code. Below we have listed the STD codes of tier-2 cities in India.