- 1. What is a US travel SIM card?
- 1.1. A US travel SIM card is
- 1.2. Comparison of the 4 largest carriers in the US
- 2. 5 essential tips for buying a US SIM card
- 2.1. Do you need to buy a SIM card when traveling to the US?
- 2.2. Should I buy a tourist SIM card in Vietnam or in the US?
- 2.3. Tips for choosing the right US SIM card when traveling
- 2.4. How to use a phone SIM card economically when traveling to the US?
- 2.5. Consultation on choosing the best SIM card for traveling to the US
- 2.6. Should I use a 3G/4G SIM or a voice SIM?
- 3. Where to buy the best, most reputable, and cheapest SIM card for the US?
- 3.1. Customer concerns when buying a US SIM card
- 3.2. Sahaha - The most reputable and cheapest place to sell US SIM cards
- 3.3. Latest US phone SIM card price list
Are you looking for a US (USA) SIM card for your trip, business, or to visit relatives? Check out our sharing of US SIM card purchasing experiences. In this article, Sahaha will tell you which SIM card to buy for the US, where to buy it, and how to use it effectively.
Are you looking for the best US SIM card, which network has the strongest signal, the fastest internet, but are confused by information online. You don't know which SIM card is good and which is bad. What if you buy a poor-quality SIM card, it will be very difficult when you go to the US, not knowing what to do? These things make Vietnamese people suffer because they don't know which SIM card to buy when going to the US?Where to buy the best SIM card for traveling to the US?

Sahaha
will show you how to choose the best SIM card for your trip to the US.This article is based on our experience using dozens of US travel SIM cards. We have tried many types of US carrier SIM cards to select the best SIM card for Vietnamese people traveling abroad. Let's refer to US SIM card purchasing experienceTips for buying a US SIM cardWhich SIM card works best in the US?
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>>> US SIM Card: Overview of US Travel SIM Cards You Should Know
What is a US travel SIM card?
A US travel SIM card is
a SIM card for tourists or business travelers in this country. The SIM is linked with major US carriers such as Sprint, T-Mobile, Verizon, AT&TSprint, T - Mobile, Verizon, AT&T. Therefore, the internet speed is very fast and the signal frequency is always stable in the US. This is a SIM card with a usage period of 30 days in the US without needing to top up, yet you can still make calls and use the internet comfortably.

Tips for buying a US SIM card - US travel SIM card?
Video: Registering a SIM card in the US
Comparison of the 4 largest carriers in the US
- Number of subscribers: The largest telecommunications company in the US (ranked by number of subscribers) is Verizon, followed by T-Mobile, then AT&T, and finally Sprint.
- Network speed: AT&T leads in the "fastest carrier in the US" criteria with an average 4G download speed of 32.91 Mbps (actual speed), second is T-Mobile with 30.94 Mbps.

Chart of download speeds of 4 US carriers
- LTE coverage: Verizon leads with 98% coverage across the US, followed by T-Mobile with 95%, then AT&T and Sprint.

Coverage of 4 carriers across the United States
- Customer satisfaction index: T-Mobile surpasses the other 3 carriers to become the most preferred carrier in the US.

Customer satisfaction with US travel SIM cards
- Price of US travel SIM cards: Currently, AT&T offers the most attractive preferential prices in terms of both data capacity and cost.
However, when you purchase an official SIM card from any of the carriers mentioned above, both signal and internet quality are guaranteed. Additionally, there are numerous SIM cards from large and small companies in the US that operate by leasing the broadcast towers of the 4 major carriers, offering the best US SIM cards for travel.
5 kinh nghiệm mua sim Mỹ không thể bỏ qua
Khi đi du lịch Mỹ có cần mua sim không ?
When you come to the US, you will definitely need the Internet for entertainment and work. But in the US, public wifi is very scarce for tourists. When you need to find directions, view travel information, call a car... without the Internet, it is very difficult.
Vietnamese SIM cards cannot be used in the US without registering for roaming. However, even though roaming charges have decreased a lot, they are still very expensive.Receiving a message means you are charged. No one uses international roaming in the US for long trips.
For convenience when traveling, according to our experience in buying US SIM cards, Vietnamese people all buy US SIM cards to use. When you have 4G, everything is easy for you. You don't need to know English to travel conveniently and comfortably.
US SIM cards are essential for tourists
Nên mua sim du lịch tại Việt Nam hay ở Mỹ?
The US government strictly controls telecommunications mobile services. You want to buy a SIM card, you have to go to the carrier's point of sale, register your information and top up. This is only suitable for people who know the way in the US. But if you are going to the US for the first time, you won't know where to buy a SIM card when you land at the airport, not to mention buying a SIM card that doesn't suit your needs.
Kinh nghiệm mua sim Mỹ tốt nhất đó là nếu bạn cần mua sim Mỹ thì hãy nên đến các points of sale in Vietnam sẽ tiện hơn. Bởi bạn sẽ mua với giá rẻ hơn, trao đổi dễ dàng với người và nhận tại Việt Nam. Khi bạn sang đến Mỹ, bạn lắp sim vào là có mạng luôn rồi.
Bạn hãy đến cửa hàng Sahaha để buy a good and fastest US SIM card. We have tourist SIM cards to meet your needs. You just need to order and receive the SIM card delivered free to your home. The SIM card is activated according to your travel dates. When you arrive in the US, insert it into your phone and you will have 4G to use immediately. We commit to selling the best quality US travel SIM cards for you.
US SIM card buying experience - Buying in Vietnam is still the most convenient
>>> If you find the SIM card does not suit your needs, please refer to the service: Rent Wifi for the US
Tips for choosing the right US SIM card when traveling
Don't use expensive international roaming services when traveling. You can look up the roaming rates for Viettel, Mobifone, and Vinaphone to see how expensive they are. Before flying to the US, you should remove your SIM card to avoid being charged for receiving messages and calls.
US calling SIM cards are quite difficult to buy. And when you make calls, your money will be deducted very quickly. To call back to Vietnam, you have to register for international roaming with the US carrier.
Usually, when traveling in the US, you will mainly need to use the Internet.It is recommended to buy 3G/4G SIM cards with more data capacity rather than calling SIM cards. You will primarily need to contact the people you are traveling with. If you need to call Vietnam, you can call for free over the Internet. Therefore, it is best to use a US 4G SIM card when traveling -Tips for buying a US SIM card you should know.
Travel SIM cards usually have a usage period, so you should only insert them when you arrive in the US. Therefore, only insert the SIM card into your phone when you get there. You can share it via Wi-Fi with 1-2 people by putting it in a Wi-Fi hotspot device.
Tips for buying a US SIM card - Choose the right SIM card size for your phone
How to use a phone SIM card economically when traveling to the US?
When traveling in the US, if you choose to use the mobile network from Vietnamese carriers, you may face bills of tens of millions, or even billions of Vietnamese dong if you use a postpaid SIM. The tip is that you shouldbuy a US travel SIM card. However, to find the most economical solution for using this phone SIM card, you need to research thoroughly. Refer to it here:
- Turn off automatic app updates, new email notifications, or Facebook notifications to avoid wasting data. You can go to the Mobile section to disable 3G/4G usage for these items. If you need to update software, it's best to find a place with Wi-Fi.
- Turn off automatic video playback on Facebook, Instagram, Twitter, or YouTube, as it will quickly consume your 3G/4G data. You might use up several GB of data in just a few hours.
- Pay attention to the SIM card size, as there are many different SIM card adapters, such as mini SIM, micro SIM, and nano SIM. The best tip for buying a US SIM card is to choose a SIM card with 3 adapter layers.
- Download Google Maps offline to your phone when you are at the hotel. When you go out and need directions, you can open it and view them. This will significantly save 4G data for searching for addresses.

Download Google Maps Offline to your phone for convenient navigation
- Only use voice calls over the internet, not video calls, to save data. Unless you want to see the face of the person you are talking to. Good internet calling apps in the US include Zalo, Facetime, Facebook Messenger, and Viber.
Consultation on choosing the best SIM card for traveling to the US
If you are still unclear about how to buy the best US SIM card, let us introduce it to you. This is the best US phone SIM cards in Vietnam today. Up to 98% of customers traveling to the US have chosen to buy this SIM card. Let's see why everyone prefers it below!
Best SIM card for tourists traveling to the US
First, The SIM has a validity period of 15/30 days from the time you insert the SIM into your phone. It's a prepaid SIM card, so you don't need to top up or register information.
Second, It has a huge 4G capacity of up to 4GB/12 GB. After using up the 4G data, you will have unlimited 3G data for the 4GB SIM.
Third, The SIM is plug-and-play, no need to install or activate anything. After your trip, if there is still remaining validity, you can sell it or give it away.
Fourth, You should buy US SIM cards sold in Vietnam. Because these are the most suitable SIM cards for traveling in the US. Many carriers sell SIM cards in the US, but they mainly serve US citizens. US tourist SIM cards are quite expensive and require registration. Therefore, they are not suitable for tourists.
Or you can order SIM cards online easily. Free delivery in Vietnam. We will deliver the SIM card on the same day. You don't need to waste time waiting to buy a SIM card.
Best SIM card for US tourists
Fifth, The SIM can be used for smartphones, tablets, iPads, and Wi-Fi hotspots.
Should I use a 3G/4G SIM or a voice SIM?
You don't know whether to choose a calling SIM or a 3G/4G data SIM for your trip to the US. We will analyze which type of SIM is best for traveling with some tips for buying the best US travel SIM below:
Most people traveling to the US will only need 3G/4G data for internet access. This is because you will need to navigate, look up travel information, translate languages, check email... in the US. In the age of the internet, we can use apps like Zalo, Facetime, Viber... to communicate.
With these apps, calling and texting are completely free and easy. You can call people in your travel group or call home without worrying about spending money. If you use a calling SIM, you'll have to top up after just about ten calls.
3G/4G SIM is the best SIM for traveling to the US
>>> If you are staying in the US for a long time, traveling with family or a group of friends, the best solution you should consider is: Renting a WiFi device for the US
3G/4G SIMs are specialized for internet access, so the data capacity will be very high, even unlimited. Data SIMs do not require registration; you can just insert and use them immediately. Therefore, a 4G SIM is the best type of SIM for traveling to the US for tourists.
Where to buy the best, most reputable, and cheapest SIM card for the US?
Customer concerns when buying a US SIM card
When looking at "stores selling US SIM cards", you will surely wonder if the products are as advertised. If you happen to buy a SIM that doesn't work in the US, it will be very troublesome. You won't have a SIM to access the internet, search for information, or do anything that requires the internet. At that point, you can only use hotel Wi-Fi for inquiries and communication. Your trip will be significantly affected by the lack of internet.
Many stores in Vietnam do not have SIMs readily available and have to order them from abroad. Therefore, they require you to place an order and pay a deposit 3-4 days in advance to receive the SIM. You might even have to pick it up from the store yourself and activate it to use. No one wants to spend so much effort and time on this.
Tips for buying a US SIM card are not easy
>>> If you want to use a lot of internet, travel in groups, you should go to the store for: Rent a WiFi hotspot for the US
Many places refuse to support after the sale. When you encounter difficulties and cannot use it in the US, call back to ask the seller, you will only receive the answer: "Read the user manual carefully before use."
All of the above makes many people hesitate to buy US SIM cards in Vietnam. However, buying SIM cards in the US is very difficult for tourists. So, should you close your eyes and buy a SIM card of unknown usability? Don't worry, I will reveal to you a reputable place that has been selling US tourist SIM cards in Vietnam for a long time. Many people in Hanoi and Ho Chi Minh City (Saigon) have bought SIM cards here to use when traveling to the US.
Sahaha - The most reputable and cheapest place to sell US SIM cards
Sahaha is a place that has been selling US SIM cards for a long time and has a good reputation in Vietnam. Thousands of people have come here tobuy tourist SIM cards. Everyone is satisfied and recommends it to their friends. So far, no customer has complained about the quality of the US SIM cards that Sahaha is selling. Each of our US tourist SIM cards is carefully checked. With Sahaha's experience in buying US SIM cards, we commit that the SIM card is provided by a US carrier to ensure network quality and SIM signal.
We sell tourist SIM cards, so you don't need to register after buying, just insert and use. To facilitate customers, we offer free shipping to your doorstep. You just need to call to order and you will have the SIM card within the day. You don't have to wait like other places.
Reputable place to buy US tourist SIM cards in Vietnam
Thousands of people have bought our SIM cards for the US. You will find that no one complains about the quality of the SIM card. Everyone who buys a SIM card to go to the US uses it well and is satisfied. When you buy a SIM card from us, you will find that the money spent on the SIM card is worth the quality.
Latest US phone SIM card price list
We are theUS SIM card selling companywith the best prices in Vietnam. We offer free shipping for customers in Hanoi and Ho Chi Minh City (Saigon). If you buy 3 or more SIM cards, you will get an additional discount. The more you buy, the lower the price. If you are a travel company, please contact us for the best quote.
This is the latest US SIM card price list. We will update theUS travel SIM price listdaily to keep you informed of the latest and most accurate prices.
| Place of sale | Phone shops | International Airport Store | AT&T Store in the US | AT&T Store |
| Price | 750,000 VND | 1,900,000 VND | 1,482,000 VND | 1,390,000 VND |
| Features | 12 GB of 4G data, valid for 30 days, access stops when data is exhausted | Unlimited 4G speed for 10 days. Exceeding 2GB per day will switch to 3G | 6 GB of 4G data for 30 days, access stops when data is exhausted | 10 GB of 4G data for 14 days. Requires registration |
Conclusion
The articlesharing experiences buying US SIM cardswill surely help you a lot. If you have any questions aboutUS phone SIM cards call19002106 to get answers. Wishing you a wonderful trip to the USA!
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