You cannot recharge your account, but you need to make an urgent call to relatives, friends or colleagues? Use the service "Call Me Back" to stay in touch!

The service "Call Me Back" will allow you to inform your relatives, friends or colleagues that you need to contact them. To use the service, simply dial

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Thereafter, the subscriber, whose number was specified in the USSD-request, will receive an SMS-message with the request to call the indicated number.

For the service "Call Me Back" the Ukrainian language is set by default.

To use another language for request to contact you, send a USSD-request in the format:

This service is available to all TriMob mobile network subscribers for free.

Additional Information:

The number of successful USSD-requests per day: no restrictions to TriMob mobile network numbers and not more than 5 requests to numbers of other mobile operators in Ukraine;

The service "Call Me Back" is available both in the national and international roaming;

SMS-message with the request to call comes from the number of the subscriber who initiated the request.

To block (forbid receiving SMS-messages with the request to call) or unblock (permit receiving SMS-messages with the request to call) the service "Call Me Back", you should use the following USSD-requests:

Service blocking:

To block the service in other languages, send USSD-request in the format:

Service unblocking:

To block the service in other languages, send USSD-request in the format:

To check the status of blocking / unblocking of the service "Call Me Back" you have to use the following USSD-requests:

To check the status of the service in other languages, send USSD-request in the format:

To get detailed instructions, use one of the USSD-command:

To get instructions in other languages, send USSD-request in the format: