MasterCard announced its expansion to 2-Series bank identification numbers (BINs). For decades, MasterCards started with the number five. However, MasterCard plans to begin issuing cards starting with the number two in summer 2017. 

This currently poses no change for MasterCard customers. We have reached out to Payflow and have confirmed that they are aware of and have made the necessary changes. There is nothing you need to do regarding this.

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