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>Theshubhamjha at 17:46, 21 August 2021

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{{short description|Bharatpedia list article}}
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{{original research|date=May 2018}}
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{{Infobox country telephone plan
| country = India
| country_link = India
| continent = Asia
| map_image = India (no claimed territories).svg
| map_caption = Location of India
| map_size = 220px
| map_alt =
| regulator = [[Department of Telecommunications]]
| plan_membership =
| plan_type = Closed
| nsn_length = 10
| number_format =
| plan_link = {{URL | http://www.dot.gov.in/national-numbering-plan-list | National Numbering Plan - 2003}}
| plan_date = 13 April 2015
| country_calling_code = +91
| international_prefix = 00
| trunk_prefix = 0
| codes_list =
}}

[[File:Map of the Subscriber Trunk Dialing codes of India.png|thumb|350px|STD code map of India]]
[[File:STD ISD PCO Indian telephone.jpg|thumb|A [[public call office]] (PCO) in [[Auroville]], [[India]]]]

'''Telephone numbers in India''' are administered under the ''National Numbering Plan of 2003'' by the [[Department of Telecommunications]] of the [[Government of India]]. The numbering plan was last updated in 2015. The country code "91" was assigned to India by the [[International Telecommunication Union]] in the 1960s.<ref>[https://books.google.co.uk/books?id=IcVjAAAAIAAJ&focus=searchwithinvolume&q=%22India%22 ''White Book''], Volume 2, Part 1, International Telegraph and Telephone Consultative Committee, [[International Telecommunication Union]], 1969, page 31</ref>

==Fixed-line (landline) numbers==
[[Subscriber trunk dialling]] (STD) codes are assigned to each city, town and village. These codes can be between 2 and 8 digits long, with the largest metropolitan areas and cities having the shortest (two-digit) codes:
*'''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''' - [[Bengaluru]], [[Karnataka]]

Second-tier cities and metropolitan areas, as well as large or particularly significant towns have three-digit area codes:

*'''120''' - [[Ghaziabad, Uttar Pradesh|Ghaziabad]] and [[Noida]], Uttar Pradesh
*'''124''' - [[Gurugram]], [[Haryana]]
*'''129''' - [[Faridabad]], [[Haryana]]
*'''135''' - [[Dehradun]], [[Uttarakhand]]
*'''141''' - [[Jaipur]], [[Rajasthan]]
*'''160''' - [[Kharar, SAS Nagar|Kharar]], [[Punjab]]
*'''161''' - [[Ludhiana]], [[Punjab]]
*'''172''' - [[Chandigarh Capital Region]], [[Chandigarh]]{{ref|cg}}
*'''175''' - [[Patiala]], [[Punjab]]
*'''181''' - [[Jalandhar]], [[Punjab]]
*'''217''' - [[Solapur]], [[Maharashtra]]
*'''231''' - [[Kolhapur]], [[Maharashtra]]
*'''233''' - [[Sangli]], [[Maharashtra]]
*'''240''' - [[Aurangabad]], [[Maharashtra]]
*'''241''' - [[Ahmednagar]], [[Maharashtra]]
*'''250''' - [[Vasai]]-[[Virar]], [[Maharashtra]]
*'''251''' - [[Kalyan-Dombivli]], [[Maharashtra]]
*'''253''' - [[Nashik]], [[Maharashtra]]
*'''257''' - [[Jalgaon]], [[Maharashtra]]
*'''260''' - [[Daman, India|Daman]], [[Dadra and Nagar Haveli and Daman and Diu]]
*'''261''' - [[Surat]], [[Gujarat]]
*'''265''' - [[Vadodara]], [[Gujarat]]
*'''343''' - [[Durgapur]], [[West Bengal]]
*'''413''' - [[Pondicherry|Puducherry]], [[Puducherry (union territory)|Puducherry]]
*'''422''' - [[Coimbatore]], [[Tamil Nadu]]
*'''431''' - [[Tiruchirappalli]], [[Tamil Nadu]]
*'''452''' - [[Madurai]], [[Tamil Nadu]]
*'''462''' - [[Tirunelveli]], [[Tamil Nadu]]
*'''471''' - [[Thiruvananthapuram]], [[Kerala]]
*'''474''' - [[Kollam]], [[Kerala]]
*'''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]]
*'''621''' - [[Muzaffarpur]], [[Bihar]]
*'''612''' - [[Patna]], [[Bihar]]
*'''641''' - [[Bhagalpur]], [[Bihar]]
*'''657''' - [[Jamshedpur]], [[Jharkhand]]
*'''712''' - [[Nagpur]], [[Maharashtra]]
*'''721''' - [[Amravati]], [[Maharashtra]]
*'''724''' - [[Akola]], [[Maharashtra]]
*'''751''' - [[Gwalior]], [[Madhya Pradesh]]
*'''761''' - [[Jabalpur]], [[Madhya Pradesh]]
*'''821''' - [[Mysore]], [[Karnataka]]
*'''831''' - [[Belgaum]], [[Karnataka]]
*'''836''' - [[Hubli-Dharwad]], [[Karnataka]]
*'''870''' - [[Warangal]], [[Telangana]]
*'''891''' - [[Visakhapatnam]], [[Andhra Pradesh]]

The first-ever long-distance subscriber trunk dialling (STD) call in India was made between the cities of Kanpur and Lucknow in 1960.{{citation needed|date=September 2011}}

The total length of all phone numbers (area code and the phone number) is constant at 10 digits. For example, the number 7513200000 signifies the area code 751 (the area code for [[Gwalior]]) followed by the phone number.

Fixed-line or landline numbers are at most 8 digits long.

=== Fixed-line operators ===
Due to the availability of multiple operators offering fixed-line (landline) services (either wired or wireless), there is an operator code for each telephone number, which is the first digit in the phone number.<ref>{{Cite web|url=http://www.trai.gov.in/sites/default/files/spaper13mar09.pdf|title=National Numbering Plan – a revised approach suggested by TRAI for achieving greater transparency and efficiency|date=March 2009|website=trai.gov.in|publisher=Telecom Regulatory Authority of India|pages=9–10|archive-url=https://web.archive.org/web/20170703073108/http://trai.gov.in/sites/default/files/spaper13mar09.pdf|archive-date=2017-07-03|url-status=dead}}</ref><ref>{{Cite web|url=http://www.indiacallinginfo.com/india-local-subscriber-numbers#india-landline-phone-numbers|title=Local Phone Number Formats in India|website=IndiaCallingInfo.com|publisher=CallingGuides.com|access-date=2018-01-25}}</ref>

{| class="wikitable"
|-
! Operator !! Prefix
|-
| [[BSNL]] / [[MTNL]] || 2
|-
| [[Reliance Communications]] || 3
|-
| [[Bharti Airtel|Airtel]] || 4
|-
| [[MTS India|MTS]] / HFCL || 5
|-
| [[Tata Indicom]] || 6
|-
| Datacom Solutions || 7
|}

For example, a number formatted in the style '''(020) 3xxx-xxxx''' represents a fixed-line number in Pune operated by Reliance Communications, while '''(011) 2xxx-xxxx''' is a fixed-line number in Delhi operated by MTNL, and '''(07582) 2xx-xxx''' is a fixed-line number in [[Sagar, Madhya Pradesh|Sagar]], Madhya Pradesh operated by BSNL.

=== Format for dialling fixed-line numbers ===
No prefix is required to call from one landline to another within the same area code, as variable-length dialling rules apply. A prefix of the number zero + the area code is required to dial from a landline phone in one STD code area to another. The same prefix of the number zero + the area code is required to dial any fixed-line number in India from a mobile phone, irrespective of the area code.

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: +91, then 731, and then the phone number

Before 10 March 2009, as per [[Department of Telecommunications (India)|Department of Telecommunications]] [[memorandum]] dated 9 February 2009.<ref name="dotmemo95">{{cite web|url=http://www.dot.gov.in/as/2009/numbering%20plan_25.02.2009.pdf|title=DoT Memorandum 10th Feb 09.|access-date=2009-04-08|url-status=dead|archive-url=https://web.archive.org/web/20101027155604/http://dot.gov.in/as/2009/numbering%20plan_25.02.2009.pdf|archive-date=2010-10-27}}</ref><ref>[http://www.thehindu.com/news/national/TRAI-for-10-digit-landline-numbers-to-meet-crunch/article16138959.ece TRAI for 10-digit landline numbers to meet crunch]</ref> 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 from [[Gurgaon]], one dials 9511+landline number.

== Mobile numbers ==
{{Main|Mobile telephone numbering in India}}

A typical mobile number in India is "+91 xxxx-nnnnnn". The first four digits initially indicated an operator's code, while the remaining six digits are unique to the subscriber. However, with mobile number portability in place, the first four digits no longer indicate a particular operator.

==Short code==
There are many businesses 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 have a cost per message depending on the operator as well as the service and the company.

==Telemarketing==
Telemarketers have been issued 10-digit telephone numbers starting with 140 (140XXXXXXX) by the [[Department of Telecommunications]] on [[TRAI]]'s request.<ref>[http://indiatoday.intoday.in/story/pesky-calls-trai-fails-to-set-deadline/1/136227.html Trai fails to set deadline on pesky calls]</ref><ref>[https://web.archive.org/web/20131002064755/http://articles.timesofindia.indiatimes.com/2013-09-27/goa/42458841_1_telecom-service-providers-trai-telecom-regulatory-authority 'Publishing tariff plans by telecom service providers mandatory']</ref>

==Notes==
:1.{{note|cg}}The [[Chandigarh Capital Region]] is a metropolitan area that consists of areas in the union territory of [[Chandigarh]], and the states of [[Punjab]] and [[Haryana]].

==References==
{{Reflist}}

==External links==
* [http://www.dot.gov.in/ Department of Telecommunications, Government of India]
* [http://www.trai.gov.in/ Telecom Regulatory Authority of India]
* [http://www.dot.gov.in/sites/default/files/nnp2003.pdf India National Numbering Plan of 2003]
{{Telephone numbers in Asia}}
{{Telecommunications}}

[[Category:Telephone numbers in India| ]]
[[Category:Telephone numbers by country|India]]
[[Category:India communications-related lists]]

Telephone numbers in India - Revision history

MuoiBraley9009: cleanup

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>Theshubhamjha at 17:46, 21 August 2021