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The Info List - Telephone Numbers In India





Contents

1 Fixed line (landline) numbers

1.1 Landline operators 1.2 Format for dialing landline numbers

2 Mobile numbers 3 Short code 4 Telemarketing 5 References 6 External links

Fixed line (landline) numbers[edit] Subscriber Trunk Dialling
Subscriber Trunk Dialling
(STD) codes are assigned to each city/town/village, with the larger Metro cities having shorter area codes (STD codes), which are from 2 to 8 digits long. For example,

11 - New Delhi, Delhi 22 - Mumbai, Maharashtra 33 - Kolkata, West Bengal 44 - Chennai, Tamil Nadu 20 - Pune, Maharashtra 40 - Hyderabad, Telangana 79 - Ahmedabad, Gujarat 80 - Bangalore, Karnataka

Tier-2 Cities in India
India
have STD code with 3 digits. For example,

120 - Ghaziabad/Noida, Uttar Pradesh 124 - Gurgaon, Haryana 129 - Faridabad, Haryana 135 - Dehradun, Uttarakhand 141 - Jaipur, Rajasthan 161 - Ludhiana, Punjab 172 - Mohali, Punjab 175 - Patiala, Punjab 181 - Jalandhar, Punjab 231 - Kolhapur, Maharashtra 240 - Aurangabad, Maharashtra 260 - Valsad, Gujarat
Gujarat
& Daman, India 261 - Surat, Gujarat 484 - Kochi, Kerala 512 - Kanpur, Uttar Pradesh 522 - Lucknow, Uttar Pradesh 532 - Allahabad, Uttar Pradesh 542 - Varanasi, Uttar Pradesh 551 - Gorakhpur, Uttar Pradesh 562 - Agra, Uttar Pradesh 581 - Bareilly, Uttar Pradesh 591 - Moradabad, Uttar Pradesh 612 - Patna, Bihar 641 - Bhagalpur, Bihar 657 - Jamshedpur, Jharkhand 870 - Warangal, Telangana 891 - Visakhapatnam, Andhra Pradesh

Kanpur
Kanpur
and Lucknow
Lucknow
were the two cities between which the first STD call of the country was made.[citation needed] The total length of all phone numbers (STD code and the phone number) in India
India
is constant at 10 digits, for example 7513200000 signifies a STD code i.e. 751 Gwalior
Gwalior
& the phone number 3200000. Land line numbers are at most 8 digits long (usually in major metros). Landline operators[edit] Due to the availability of multiple operators offering fixed line services (either over wire or wireless), there is an operator-code for each telephone number, which is the first digit in the phone number. These are[1][2]

BSNL
BSNL
/ MTNL
MTNL
- Numbers start with a '2' Reliance Communications - Numbers start with a '3' Bharti Airtel
Bharti Airtel
- Numbers start with a '4' MTS India
India
/ HFCL - Numbers start with a '5' Tata Indicom
Tata Indicom
- Numbers start with a '6' Datacom Solutions - Numbers start with a '7'

Thus, a number formatted as 020-30303030 means a fixed-line Reliance number in Pune, while 011-20000198 is an MTNL
MTNL
fixed line in Delhi
Delhi
and 033-45229320 is a fixed-line Airtel number in Kolkata, and 07582-221434 is a BSNL
BSNL
number from Sagar, Madhya Pradesh. Format for dialing landline numbers[edit] No prefix is required to call from one landline to another in the same STD area. A prefix of "0+STD code" is required to dial from a landline phone in one STD code area to another. A prefix of "0+STD code" is required to dial from a mobile phone in India
India
to any landline number, irrespective of STD area. For example, to dial a landline number in Indore, one would have to dial

from a landline in Indore: the phone number from a landline in Mumbai: 0731 and then the phone number from any mobile phone in India: 0731 and then the phone number from outside India: Country Code 91 then 731 and then the phone number

Before 10 March 2009, as per Department of Telecommunications memorandum dated 9 February 2009.[3][4] there were some exceptions to this general rule for STD areas falling close to each other (within a radius of 200 kilometre), where "0" can be replaced with "95" e.g. to dial Delhi
Delhi
from Gurgaon, one dials 9511+landline number. Mobile numbers[edit] Main article: Mobile telephone numbering in India A typical mobile number in India
India
is "+919398987070". Where the first four digits indicate a operator's code, while the remaining six digits are unique to the subscribers. However, with portability in place, the first four digits may not indicate a particular operator. Short code[edit] There are many companies in the Indian market who rent keywords, on a monthly basis, whose characters, on a typical mobile phone keypad, represent short codes. Short codes are five digits in length and have to start with the digit '5' like 58888 as of 2007. Previously, they were four-digit in number and could be of any combination, like 8888 or 7827. The current five digits can be extended by three digits further representing 3 additional characters. Messages sent to these Short Codes are commonly referred to as Premium Rate SMS Messages and cost from per message depending on the operator as well as the service and the company.p Telemarketing[edit] Telemarketers have been issued 10-digit telephone numbers starting with 140 (140XXXXXXX) by the Department of Telecommunications
Department of Telecommunications
on TRAI's request.[5][6] References[edit]

^ "National Numbering Plan – a revised approach suggested by TRAI for achieving greater transparency and efficiency" (PDF). trai.gov.in. Telecom Regulatory Authority of India. March 2009. pp. 9–10.  ^ "Local Phone Number Formats in India". IndiaCallingInfo.com. CallingGuides.com. Retrieved 2018-01-25.  ^ "DoT Memorandum
Memorandum
10th Feb 09" (PDF). Retrieved 2009-04-08.  ^ TRAI
TRAI
for 10-digit landline numbers to meet crunch ^ Trai fails to set deadline on pesky calls ^ 'Publishing tariff plans by telecom service providers mandatory'

External links[edit]

Department of Telecommunications, Government of India Telecom Regulatory Authority of India India
India
National Numbering Plan of 2003

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Telephone numbers in Asia

Sovereign states

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States with limited recognition

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Dependencies and other territories

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Telecommunications

History

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Teleprinter
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Pioneers

Edwin Howard Armstrong John Logie Baird Paul Baran Alexander Graham Bell Tim Berners-Lee Jagadish Chandra Bose Vint Cerf Claude Chappe Donald Davies Lee de Forest Philo Farnsworth Reginald Fessenden Elisha Gray Erna Schneider Hoover Charles K. Kao Hedy Lamarr Innocenzo Manzetti Guglielmo Marconi Antonio Meucci Radia Perlman Alexander Stepanovich Popov Johann Philipp Reis Nikola Tesla Camille Tissot Alfred Vail Charles Wheatstone Vladimir K. Zworykin

Transmission media

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Optical fiber

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Network topology and switching

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Multiplexing

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Networks

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