Any of the online reverse directories will identify the network and city if you know the number.
The logo of the network usually is on the welcome screen, on the box that the phone came in with or you can check the settings of the phone.
Unlocked mobile phones enable you to choose which service provider you use. This Enables you to find the best deal available for phone charges, rather than being stuck with the network that has locked the phone.
Mobile phone tracking uses gps to help you find other family or friends with phones or even find your lost phone. Your phone would have to be updated enough to handle this technology, of course, but here is some more info on this sort of thing cellphonetrackers.org
Take any mobile phone and sit on it.
You can get restriction code for your Nokia 3120 classic mobile phone from Theunlockspot.com at reasonable price.Here they ask you to specify the country name,current network provider and IMEI umber of your mobile phone.
You can read about quality mobile designs anywhere. Or you can download apps and look at them on your phone, or ask friends which apps they find appealing.
ANY active mobile phone can be traced to an area of roughly 10 metres. The network calculates the times it takes to send & receive a signal from the phone to the nearest three phone masts. The phone network needs to know where your handset is - in order to route calls, texts etc to it ! Government agencies can use this information to find anyone they're 'interested' in. People have been tracked and arrested in the act of committing a crime by locating their mobile phone !
No your phone is off
Look at your phone bill
One can find information on three, or even more, mobile phone contracts online at MoneySupermarket. It has information about different types of mobile phones and where you can buy that type of mobile phone.
If you lost your mobile phone, you will need to contact your carrier. If you have an Apple phone, you can check the Find My iPhone app to see where the phone is.
NextG compatible mobile phones are phones that can be used with the Telstra NextG network in Australia. They can be purchased from mobile phone retailers in Australia, such as MobiCity, as well as from online mega-retailers such as eBay or Amazon.