Operator MTS has the service called "the Prohibition of content." Alone it can neither enable nor disable neither from the phone keypad or from a personal account. Call from your home region to the number 0890 or 8 800 250 0890. Wait for a response consultant. Tell us that you wish to turn on "deny content" on the number from which the call or if you call he can, on the other.
Say your surname, name, patronymic, series and number of passport of owner of SIM card that you wish to add this service. The operator will deactivate it. The rule, according to which the connection and disconnection services through consultant costs 45 rubles, "the Prohibition of content" does not apply. Keep in mind that some paid services of the operator can be ordered to be still.
"Beeline" offers the service "Black-and-white lists". You can get approved without the assistance of a consultant. To do this, call from your home region by number 0858 with the SIM card that you want to activate the service. Listen to the text read auto informant, and select keyboard according to the prompts to the desired level of protection.
Note that, as in the previous case, some internal services to disable. But if you already have a valid paid subscription, "Black-and-white lists" may not be enough. Have in addition to disable the advance invoice USSD-command *110*272#. Back to enable it only through the support, dictated by passport data.
Operator "MegaFon" provides the service "Stop content". As in the previous cases, it does not apply to some paid services of the operator. To log in, enter the USSD-command *105*801#. Note that roaming service is not available.
If the phone your child uses, select one of the children's tariff is available for all operators. Block sending SMS to short numbers on these tariffs are usually already there, and then connect it separately is not necessary. Parents are given additional facilities. For example, in one such tariffs children can call parents unlimited for a small monthly fee, others with unlimited for a fixed fee is the determination of the parents of the whereabouts of the child.