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| Rates |
| Making Calls |
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All calls with in the USA |
15¢/min |
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Calls to Europe as low as |
12¢/min |
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| Text Messages |
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All outgoing text messages to anywhere in the world |
10¢ |
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All incoming text messages |
10¢ |
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The National Geographic Explorer SIM is the perfect solution for making and receiving calls within the United States, as well as for calling internationally
A National Geographic Explorer SIM not only provides outstanding coverage, but also low cost calling to friends and family here and abroad. |
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A National Geographic Explorer SIM card offers the following free standard features: caller ID, voicemail, three way calling, international calling, and much more.
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Low Cost International Calling |
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Local USA Phone Number |
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Text Anywhere For 10¢ a Message |
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Operates On The AT&T Network |
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NO Credit Checks or Contracts |
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Click here for coverage maps |
The National Geographic SIM card uses the AT&T GSM 850/1900 Mobile Network in the USA. The AT&T network has been rated as the number one GSM network in the USA with coverage throughout.
Service Life
The service life on your SIM card is dependent on how much you top up.
| Refill Amount |
Service Life |
| $10 |
30 days |
| $20 |
90 days |
| $50 |
180 days |
| $100 |
1 Year |
Please Note: Top ups are not stackable. For example, 2 $10 top ups will not extend your service life 60 days, just 30 days from the last $10 refill
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