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Reviews » OneSim International SIM cards

One Sim Card is a product offered by Long Distance Post, LLC, a Massachusetts based telecom company founded in 1994. Services offered by this company are available nationwide.

What is an international SIM card?

Most cell phones operate using a SIM card inserted in the back of your cellular device. This card is like a bridge between your cell phone and your wireless carrier. Without it the phone is useless.

The SIM cards from One Sim Card work internationally. This means that, by replacing your current SIM card with the one from One Sim you can place international calls while traveling abroad. This way rates paid will be much lower than what you would pay if you activated roaming service through your current wireless carrier.

Service highlights

Works in 150 countries

No monthly bills, no card expiration date

Free incoming calls

Calls and text messages received are entirely free.

Savings compared to roaming

OneSim claims 85% savings on your calls when compared to roaming charges by major US carriers.

Promo

$10 initial credit.

OneSimCard customer reviews

Don;t use Onesimcard.com!
I have had a very bad experience with them, and I urge people not to use them. I credited my accoint with $50, they took the money and didn’t add the credit, so I was stuck in Europe without phone access for a week. When I contacted them about the problem, they first didn’t respond, and since have delayed and delayed, saying they’re “investigating the problem”. I reported the problem to my credit card, and contested the charge, and now they claim I’m “not cooperating” so they’ve blocked my sim card. They’re unreliable, and either incompetent or simply dishonest. Don't use them!
#1 - mikemis - 06/19/2010 - 09:53
misleading advertising
I purchased this card because they advertised at the time that the minutes did not expire. After having purchased $60 worth of time they have reduced my $7 balance to zero 10 months after purchase because I did not recharge with $25 within 10 months.
In addition they use an east European country as their base. This means that people calling you have to make an international call. Talking is also delayed like in the old time calls to Europe via the underwater cables. You have to talk - then wait for the message to reach the other party - the other party answers and after a delay you hear what they have to say. if people are not aware of this procedure the conversation gets garbled as people speak over each other's voices. Bad experience - have now purchased T-mobile German prepaid card at 18 cents per call within Germany instead of 59 cents charged by onesim. Am using a land line when i need to make international calls.
#2 - Gerald Taron - 06/28/2010 - 12:23
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