We offer Great calling rates to Argentina and Worldwide. We currently have Access Numbers from United States, Netherlands, Belgium, France, Spain, United Kingdom, Canada, Israel and many more to come. We do not have any 1800 access numbers. For rates to any other countries please send us a message. We bill in 1 Minute increments. For Refills you must specify the account to add the funds. For Pinless dialing please specify the phone numbers you would like to call from in a message or you can email us at any time after you have purchased your item. We do not ship a actual calling card we only ship instructions via uspsWe will send you the access numbers and your pin number via email within 24 hours and via usps shipping service.THIS CALLING CARD WILL NEVER EXPIRE