Hi, do you sell prepaid data sim card for ipad and calling sim card for galaxy s3 phone. I am from singapore and will be in west coast USA for 14 days.

Hi, do you sell prepaid data sim card for ipad and calling sim card for galaxy s3 phone. I am from singapore and will be in west coast USA for 14 days?

Are the sim cards available for purchase at LAX, los angeles airport?

How much will the cost be?

Thank you