By the way, in the "Beeline" right to use the service, you can not, because it must first be activated. To do this, dial the number 06849924 (call is free). After you receive a connection notification from the operator, you can safely send to the number 684 SMS-message with the text "L". Search for other subscribers each time will cost you 2 rubles 05 kopecks.
To locate other subscribers and customers of other companies. In MTS," for example, there is a service called "Locator". To use it, just type an SMS-message with the number of the wanted man and his name and send it through the number 6677. It should be noted that this statement imposed some restrictions on the search: you will not be able to know the whereabouts of a person, yet he will not consent to it. Consent is expressed in the confirmation SMS received from operator. The cost of using the "Locator" is 10-15 rubles (the exact price will depend on what tariff plan you are connected).
If you are a subscriber of the operator "MegaFon", then you will have two different tools to search for another person. One of them was created specifically for parents and their children, and therefore are only available on certain tariffs (for example, "Smeshariki" and "Ring-Ding"). For a full list of tariffs and a detailed description of services can be found on the official website of the company.
The second service is available to all subscribers without any restrictions. It is located on the website locator.megafon.ru. You can also call the number 0888 or send your request to USSD-number *148* subscriber's number# (number, by the way, use a +7). The cost of this service is 5 rubles (this amount will be debited from your account for sending each request).