(Last updated: August 17, 2009)
Here are the list of leading Cellular Operators (service providers) operating in Indian territory with their website URL and the states/areas they they operate in.
Aircel (Dishnet Wireless Ltd.)
Service Area: Assam, Bihar, Chennai, Himachal Pradesh, J&K, Karnataka, Kolkata, Kerala, North East, Orissa, Tamil Nadu & West Bengal.
Website: www.aircel.com
Bharti Airtel
Service Area: Andhra Pradesh, Assam, Bihar & Jharkhand, Chennai, Delhi, Gujarat, Haryana, Himachal Pradesh, Jammu & Kashmir, Karnataka, Kerala, Kolkata, Maharashtra & Goa, MP & Chhattisgarh, Mumbai, North East, Punjab, Orissa, Rajasthan, Tamil Nadu, UP (East), UP (West), Uttarakhand, West Bengal.
Website: www.airtelworld.com
Bharat Sanchar Nigam Limited (BSNL)
Service Area: Andhra Pradesh, Assam, Bihar & Jharkhand, Chennai, Delhi, Gujarat, Haryana, Himachal Pradesh, Jammu & Kashmir, Karnataka, Kerala, Kolkata, Maharashtra & Goa, MP & Chhattisgarh, Mumbai, North East, Punjab, Orissa, Rajasthan, Tamil Nadu, UP (East), UP (West), Uttarakhand, West Bengal.
Website: www.bsnl.in
Idea Cellular
Service Area: Delhi (Metro), Andhra Pradesh, Gujarat, Haryana, Himachal Pradesh, Maharashtra, Kerala, Madhya Pradesh, Rajasthan, Uttar Pradesh (E), Uttar Pradesh (W).
Website: www.ideacellular.com
Loop Mobile
Service Area: Mumbai
Website: www.loopmobile.in
Mahanagar Telecom Nagar Limited (MTNL)
Service Area: Delhi & Mumbai
Website: www.mtnl.net.in
MTS Mobile (CDMA)
Service Area: Bihar, Delhi, Karnataka, Kerala, Kolkata, Rajasthan, West Bengal, Tamil Nadu.
Website: www.mtsindia.in
Reliance Mobile (CDMA)
Service Area: Delhi (Metro), Mumbai (Metro), Kolkata (Metro), Chennai (Metro), Andhra Pradesh, Assam, Bihar, Gujarat, Haryana, Himachal Pradesh, Jammu & Kashmir, Kerala, Karnataka, Madhya Pradesh, Maharashtra, North East, Orissa, Punjab, Rajasthan, Tamil Nadu, Uttar Pradesh
(E), Uttar Pradesh (W), West Bengal.
Website: www.rcom.co.in
Reliance Mobile
Service Area: New Delhi, Mumbai, Maharashtra, Gujarat, Karnataka, Kerala, Assam, Bihar, Himachal Pradesh, Kolkata, Madhya Pradesh, North East, Orissa, West Bengal.
Website: www.reliancemobile.com
Spice Telecom
Service Area: Kerala, Karnataka
Website: www.spicetele.com/karnataka/home.php
TATA Indicom (CDMA)
Service Area: Andhra Pradesh, Assam, Bihar, Chennai, Delhi, Gujarat, Haryana, Himachal Pradesh, Jharkhand, Kanata, Kerala, Kolkata, Madhya Pradesh, Mumbai, Orissa, North East, Punjab, Rajasthan, Rest of Bengal, Rest of Maharashtra & Goa, Tamil Nadu, UP (East), UP (West), Jammu & Kashmir
Website: www.tataindicom.com
TATA DoCoMo (GSM)
Service Area: Tamil Nadu, Orissa, Andhra Pradesh, Kerala, Karnataka, Mumbai, Maharashtra & Goa, Madhya Pradesh, Chhattisgarh.
Website: www.tatadocomo.com
Vodafone
Service Area: Andhra Pradesh, Chennai (Metro), Delhi (Metro), Gujarat, Haryana, Karnataka, Kolkata (Metro), Mumbai (Metro), Punjab, Rajasthan, Uttar Pradesh (W), Uttar Pradesh (E), West Bengal, Maharashtra, TamilNadu, Kerala, Jammu & Kashmir, Himachal Pradesh, Orissa, Bihar, Assam, North East, Madhya Pradesh.
Website: www.vodafone.in
Virgin Mobile (CDMA)
Service Area: Andhra Pradesh, Bihar, Chandigarh, Chhattisgarh, Delhi & NCR, Gujarat, Jharkhand, Karnataka, Kerala, Kolkata, Madhya Pradesh, Maharashtra, Mumbai, Orissa, Punjab, Rajasthan, Tamil Nadu, UP East
Website: www.virginmobile.in
If we have missed out any service provider, then please bring it to our notice. 
hi Sir,
this person no is 9939117475 is use very wrong word in my wife.so please give me address
@umesh
Have a look on this post for tracking mobile numbers
Dear Sir,
I Use nokia N73 But in train lost my handset and IMEI No is 353548026704271. please conform that this hansdset use in which area and is started or what. and thanx for help me ….
Hi,
this is Abhishek informe you all operatpor which have have bihar and jharkhand plz send me your Retailer & distributer list for GII programme according to DOT.Anouncment for fake IMEI which dead by 30th Nov.Plz send me .We need your help…….circul incharge,bihar.cont.no.9199599864.
Thank you
Please provide the registered user of this mobile no. 9713657221 who is abusing frequently.
Thank you
Ravi
sir i have lost my nokia mobile in delhi.if u help me then plz trace my phone.it is very important for me.my contact no is 9868581161.plz reply.i hv an imei no also
which cellular operator is having wide network coverage in jammu & kashmir?postpaid connection of maharashtra will work?
One more service provider in kerala. UNINOR
Thanks for updating Gilbert.
Will soon update this section
MTS now provides service in Mumbai too. Please update it.
kindly update the further service providers namely,
Uninor
Videocon
Swan / Cheers
Virgin – GSM
Also change the Spice telecom service provider to Idea Cellular for Karnataka & other places which is been mentioned.
If you can do the necessary changes it will be useful to others also.
Thanks for the comment Pradeep.
We will soon update the list.
I Use Lava KKT22 dual sim mobile But in bus lost my handset at Howrah, I also have launch a FIR in Chatterjeehat Police Station. IMEI Nos are 354994036586929 and 354994037136922. please trace my phone and conform that this hansdset use in which area and is started or what. it is very important for me. My contact numbers are 9836687311 and 9433928159 and thanks for help me ….
Hi ,
Will u send me the daily updation from trai and from cellular operator also…
One more mobile operator in kerala Videocon from may 2010 onwards
Thanks for letting us know about it Ajith
looking for Distributors (all india)for selling BSNL prepaid products through easy recharge.
hey i want to know when will videocon will launch its sim card in up east varanasi)
Loop & Spice are not present in Kolkata circle, please update it properly, also Loop is quite ready I guess for launching their network in some other odd 10 circles(including Kolkata)
sir tata docomo,aircel,reliance gsm is also working in up west.and cheers is launching soon it;s services.
hi,
do any one know the status of loop telecom in kerala…is there any office opened in kerala to start operation ….pls replay
Don’t go with that DP plan of Uninor. These people are cheating. They won’t give you discount of more than 15%, even it will flash 60% on your screen. I complained many times to customer care, but they told me that I am lying!!!
can i use mblaze(mts) in orissa
sir,
plz inform me that which cellular operator has best coverage network in GUJRAT?
i used reliance GSM, Tata DOCOMO but network problem is forever in this companies.
What do you think about vediocon?
plz reply…
Pl. mail me the operators operating in J&K
@Mohan:
Here are the telecom operators currently operating at J&K:
Aircel, Airtel, BSNL, IDEA, Loop, MTS, Reliance Gsm/Cdma, STel, TATA Indicom, Virgin, Uninor, Videocon, Vodafone.
Reliance CDMA is NOT present in Assam & North East circles, please update.