My life in SIM cards.pic.twitter.com/09iHvA7RBU
Crypto PM. Salon over soapbox. Maybe a metarationalist or something. How do we improve large-scale human collaboration?
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| Country | Code | For customers of |
|---|---|---|
| United States | 40404 | (any) |
| Canada | 21212 | (any) |
| United Kingdom | 86444 | Vodafone, Orange, 3, O2 |
| Brazil | 40404 | Nextel, TIM |
| Haiti | 40404 | Digicel, Voila |
| Ireland | 51210 | Vodafone, O2 |
| India | 53000 | Bharti Airtel, Videocon, Reliance |
| Indonesia | 89887 | AXIS, 3, Telkomsel, Indosat, XL Axiata |
| Italy | 4880804 | Wind |
| 3424486444 | Vodafone | |
| » See SMS short codes for other countries | ||
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I’ve been carrying these around for years because it’s easier to swap to an already existing SIM and local number then top up credit whenever I cross an international border, than buy and register a new one every time I land in another country.
The only country I’ve encountered that this doesn’t work for is the US. You have to get a new SIM every time around, which means another number. The US phone companies deregister the SIM and give your number to someone else once you stop buying credit.
Australia does this too, but like 6 months after you stop refilling it. Actually, come to think of it, the US has a grace period too - I bought a sim in August, used it for a month, then refilled it again when I came back in Dec and didn't have a problem.
I thought I reused a Telstra SIM a couple years apart but now I’m wondering if I misremembered and had to buy a new one. Makes sense re the US ones. I rarely can be there less than 6 months apart. Hoping that will soon change.
I worked in telcos pre-iphone era, and my guess at the time was that even if they had released your number back into the pool, if it hadn't been taken by someone else, you really had no problem refilling it, no matter how long it had been.
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