To provide a charge receiving system for pre-paid type mobile phones capable of simply paying/receiving various charges without the need for a pre- paid card, capable of performing pre-paid method at any time, eliminating the need for labor and expense required for production and mailing of a receipt addressed to a user and without losing the convenience of present users.

When a communication center server 1 receives a charge reception notice from a POS register for reading a pre-paid two-dimensional bar code pre-installed in a pre-paid mobile phone, the communication center server 1 adds the purchased call units notified by the charge reception notice as to the pre-paid mobile phone to the use available call units of the pre-paid mobile phone of a database and transmits a use confirmation notice to the pre-paid mobile phone.