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What is STD 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.

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LOCATE ANY CITIES / TOWN / TALUK IN INDIA

Select State Name then District Name then City / town / taluk Name to see STD Code with Other Details.



Or Validate STD Code  
Or Select a State from these
ANDHRA PRADESH    146 Codes
ARUNACHAL PRADESH    33 Codes
ASSAM    46 Codes
BIHAR    95 Codes
CHANDIGARH    1 Codes
CHHATTISGARH    99 Codes
DAMAN AND DIU    1 Codes
DELHI    1 Codes
GOA    5 Codes
GUJARAT    157 Codes
HARYANA    53 Codes
HIMACHAL PRADESH    31 Codes
JAMMU AND KASHMIR    33 Codes
JHARKHAND    73 Codes
KARNATAKA    178 Codes
KERALA    52 Codes
MADHYA PRADESH    240 Codes
MAHARASHTRA    297 Codes
MANIPUR    13 Codes
MEGHALAYA    14 Codes
MIZORAM    9 Codes
NAGALAND    10 Codes
ODISHA    119 Codes
PUDUCHERRY    2 Codes
PUNJAB    53 Codes
RAJASTHAN    253 Codes
SIKKIM    2 Codes
TAMIL NADU    128 Codes
TELANGANA    93 Codes
TRIPURA    7 Codes
UTTAR PRADESH    227 Codes
UTTARAKHAND    38 Codes
WEST BENGAL    71 Codes

General Information About STD (Subscriber Trunk Dialling) Code


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?

The subscriber’s phone number can be 6, 7 or 8-digit long depending upon the length of the STD code. STD codes are either 4, 3 or 2 digits.

  • 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 City Name State Name
11 New Delhi Delhi
22 Mumbai Maharastra
33 Kolkata West Bengal
44 Chennai Tamil Nadu
40 Hyderabad Telengana
80 Bangalore Karnataka
20 Pune Maharashtra
79 Ahmedabad Gujarat



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.


STD Code City Name State Name
135 Dehradun Uttarakhand
161 Ludhina Punjab
175 Patiala Punjab
141 Jaipur Rajasthan
291 Jodhpur Rajasthan
294 Udaipur Rajasthan
251 Kalyan Maharashtra
260 Vapi Gujarat
261 Surat Gujarat
265 Vadodara Gujarat
326 Jharkhand Jharkhand
361 Guwahati Assam
364 Shillong Meghalaya
413 Puducherry Puducherry
421 Tiruppur Tamil Nadu
422 Coimbatore Tamil Nadu
424 Erode Tamil Nadu
427 Salem Tamil Nadu
431 Tiruchirapalli Tamil Nadu
452 Madurai Tamil Nadu
471 Thiruvananthapuram Kerala
474 Kollam Kerala
484 Kochi Kerala
487 Thrissur Kerala
495 Kozhikode Kerala
497 Kannur Kerala
522 Kanpur Uttar Pradesh
522 Lucknow Uttar Pradesh
532 Allahabad Uttar Pradesh
542 Varanasi Uttar Pradesh
551 Gorakhpur Uttar Pradesh
612 Patna Bihar
641 Bhagalpur Bihar
657 Jamshedpur Jharkhand
674 Bhubaneshwar Odisha
712 Nagpur Maharashtra
731 Indore Madhya Pradesh
734 Ujjain Madhya Pradesh
744 Kota Rajasthan
755 Bhopal Madhya Pradesh
816 Tumkur Karnataka
821 Mysore Karnataka
824 Bangalore Karnataka
831 Belgaum Karnataka
836 Hubli Karnataka
861 Nellore Andhra Pradesh
863 Guntur Andhra Pradesh
866 Vijayawada Andhra Pradesh
877 Tirupati Andhra Pradesh
883 Rajahmundry Andhra Pradesh
884 Kakinada Andhra Pradesh
870 Warangal Telengana
891 Visakhapatanam Andhra Pradesh