International Calling Card?

Hey there!. This is a question about international calling cards, anyways i got me a verizon international calling plus card to call my boyfriend i made the call to ksa(saudi Arabia) anyways i called using my home phone which is at&t since the card didn't work on my cell phone, so when i called him using my international card with my home phone it showed up as a saudi arabia when my number is a us number what's the problem need help with this