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STD codes list of Tamil Nadu, Chennai District

STD codes list of Tamil Nadu, Chennai District

State/UT

District

City/Town

Area wise list of Tamil Nadu, Chennai District

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Do Not Disturb (DND)

STD Codes of Major cities

011 - New Delhi, Delhi
022 - Mumbai, Maharashtra
033 - Kolkata, West Bengal
044 - Chennai, Tamil Nadu
020 - Pune, Maharashtra
040 - Hyderabad, Andhra Pradesh
079 - Ahmedabad, Gujarat
080 - Bengaluru, Karnataka

1^st digit of the phone number

0 - For STD/ISD Access
1 - Special Services, like 100,101
2 - BSNL and MTNL
3 - Reliance Communications
4 - Bharti Airtel
6 - Tata Indicom
7 to 9 - Mobile

Telecom