Mobile funding method and system

Systems and methods for mobile funding are provided. One such method comprises receiving a transaction request to transfer funds from a payor to a payee. The transaction request can include a payor device identifier, a payee device identifier and an amount. A payor account identifier associated with the payor device identifier, and a payee account identifier associated with the payee device identifier can each be determined. Additionally, a first service provider associated with the payor device can be determined based on the payor device identifier, and a second service provider associated with the payee device can be determined based on the payee device identifier. The transfer of funds from the first service provider to the second service provider can then be initiated using the payor account identifier and the payee account identifier. At least one of the first and second service providers is a mobile network operator.