https://community.squareup.com/t5/Hardware-Setup-Troubleshooting/Retrieve-card-numbers-to-correct-cashier-errors-when-charging/m-p/732609#M3331 <P>From our experience, unfortunately you will only see the last 4 digits of a credit card transaction.&nbsp; Even if you have the option to keep a customer's card on file, the entire number and security code will never be displayed.&nbsp; This is just not a Square thing, it's across the entire industry.&nbsp;&nbsp; (Imagine the damage that could be done if every merchant could see every customer's full credit card number when ever they wanted to.)</P> Tue, 04 Jun 2024 17:54:22 GMT JK_Fiber_Art 2024-06-04T17:54:22Z https://community.squareup.com/t5/Hardware-Setup-Troubleshooting/Retrieve-card-numbers-to-correct-cashier-errors-when-charging/m-p/732586#M3330 <P>Sometimes a cashier will accidentally undercharge a customer. We need to be able to get the card number to correct the transaction. Not being able to has already cost us hundreds of dollars. Help!</P> Sun, 21 Sep 2025 10:08:37 GMT https://community.squareup.com/t5/Hardware-Setup-Troubleshooting/Retrieve-card-numbers-to-correct-cashier-errors-when-charging/m-p/732586#M3330 Shipwreck 2025-09-21T10:08:37Z https://community.squareup.com/t5/Hardware-Setup-Troubleshooting/Retrieve-card-numbers-to-correct-cashier-errors-when-charging/m-p/732609#M3331 <P>From our experience, unfortunately you will only see the last 4 digits of a credit card transaction.&nbsp; Even if you have the option to keep a customer's card on file, the entire number and security code will never be displayed.&nbsp; This is just not a Square thing, it's across the entire industry.&nbsp;&nbsp; (Imagine the damage that could be done if every merchant could see every customer's full credit card number when ever they wanted to.)</P> Tue, 04 Jun 2024 17:54:22 GMT https://community.squareup.com/t5/Hardware-Setup-Troubleshooting/Retrieve-card-numbers-to-correct-cashier-errors-when-charging/m-p/732609#M3331 JK_Fiber_Art 2024-06-04T17:54:22Z