They are allowed to be maild (at least they are in the UK ! If the SIM supplied with your phone develops a fault, allyou need to do is contact your service provider, who will post a replacement SIM usually within 3 working days !
Yes, i changed from Genie sim to £25 a month contact and i was allowed to keep my number
They are mailed from Virginia.
they can be delived but not mailed
Cellcom in Wisconsin does not have sim cards, wish they did. I have heard that you can get a sim card from them but non of their phones have a spot for sim cards.
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No
Cellphones usually have a SIM card. There are land lines that do not as well as Satellite phones also do not have SIM cards.
Yes SIM Card contains gold. 1000 SIM Cards = 1Gram Pure Gold
The plural form of SIM card is SIM cards.
the AT&T network, and the T-Mobile network both use SIM cards I know that Nextel and Sprint also use sim cards.
No Alltel uses CDMA and sim cards is GSM
yes they do all have sim cards also on a different note the t-mobile phones accepts the cingular sim cards when unlocked and vice versa