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US MOBILE

Prepaid SIM Card (US Mobile) - Custom Plans from $4/mo. Unlimited Plans from $17/mo.

  • Based on 354 reviews
Condition: New
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$3.99 Why this price?
Save $136.00 was $139.99

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As low as $1 / mo
  • – 4-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

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Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Zip, Apple Pay, and Google Pay. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

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To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

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Availability: Only 1 left in stock, order soon!
Fulfilled by Amazon
Arrives Wednesday, Oct 7
Order within 8 hours and 11 minutes
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Model: DarkStar+Warp


Features

  • Includes two US Mobile SIM cards, one for the Warp Network and one for the Dark Star Network.
  • Easy activation. Get started in minutes and manage your lines any time!
  • 5G plans starting from $4/month
  • Unlimited Premium plan with up to 10 GB International Data
  • 24/7365 world-class customer support. Get help from a real person within seconds

Description

Get on the nation’s most cutting-edge 5G network with the best unlimited plan. Or build your own plan. We believe people are paying too much for their cell phone service. That's why we started US Mobile. At US Mobile, you will pay as you go for the talk, text, and data you need; plus, you will enjoy full insight and flexibility to change your plan as you go. Our customers are unique, and so are their cell phone plans. Founded to liberate American mobile users from expensive and inflexible contracts, US Mobile is a prepaid cell phone carrier offering nationwide 5G & 4G LTE. We believe that people are paying way too much for their cell phone service, especially if they are on unlimited plans. That's why we started US Mobile. At US Mobile, you will pay as you go for the talk, text, and data you need; plus, you will enjoy complete insight and flexibility to change your plan as you go. Our customers are unique, and so are their cell phone plans. Share data across multiple lines, including tablets

Brand: US MOBILE


Service Provider: US Mobile


Cellular Technology: 5G


Product Dimensions: 8"L x 6"W


UPC:


Brand: US MOBILE


Service Provider: US Mobile


UPC: 850045183370


Number of Items: 2


Number of Packs: 1


Model Number: DarkStar+Warp


Manufacturer: US Mobile


Warranty Description: No Warranty


Cellular Technology: 5G


Item Dimensions L x W: 8"L x 6"W


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Oct 7

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Excellent Solution for International Phones – Dark Star Saved the Day
Model: DarkStar+Warp
I bought this US Mobile SIM for my father-in-law, who is visiting from India for several months. He uses a Samsung A26, and we quickly discovered that many mainstream prepaid carriers in the U.S. either didn't support the phone properly or had compatibility issues. We wanted something affordable, prepaid, and reliable. Initially, we explored other network options, but Verizon compatibility was a problem for his device, and the phone rejected a standard AT&T SIM. I was running out of options until I tried the US Mobile Dark Star SIM. To my surprise, it activated without any issues and worked right away. That alone was a huge relief. What impressed me even more was the network performance. Our family frequently travels beyond cities and suburbs—into farms, rural areas, state parks, national parks, campgrounds, and remote locations where coverage can often be hit or miss. Dark Star performed remarkably well in most of these areas and consistently gave us the connectivity we needed for navigation, communication, and peace of mind. One memorable experience was when a phone was accidentally left behind on a farm miles away from the nearest city. Thanks to the network connection, we were able to locate it and recover it without much trouble. That moment alone made this SIM worth every penny. For international visitors bringing phones from overseas, especially those who may run into compatibility headaches with U.S. carriers, US Mobile Dark Star was a lifesaver. Affordable, easy to activate, and surprisingly reliable in both urban and rural areas. Highly recommended for travelers, visiting family members, and anyone using an international phone in the U.S. 👍📱🌲🚗 ... show more
Reviewed in the United States on July 13, 2026 by NRI Desi Bong
    • If you still haven't bought your SIM kit something is very wrong, do it now!
Model: DarkStar+Warp
Rated best MVNO in the country by Wired Magazine and to give them a try will show you why they received that rating first hand. Navigating the website is super simple but not to worry help is right there if you need it 24/7. And while you probably won't need it telephone support is also available AND IT'S USA BASED!!!!. Call quality is simply perfect and so far no data issues as well, both of which that normally suffer on MVNO's. I was so happy I moved my entire family off Consumer Cellular (which I quickly developed a special hatred for too many reasons to list) and ZERO regrets. They even instantly seamlessly support ESIM! Look mom no SIMs harmed here :) ... show more
Reviewed in the United States on July 6, 2026 by GaryD
    • Works Great, Saved me money over Postpaid plans!
Model: DarkStar+Warp
I bought this because I was looking to get off an expensive Postpaid plan. US Mobile had a great Deal and using this with a Sim based Phone I was able to save money over my Postpaid plan and get great customer service throughout the activation! Setup was easy, activation was easy, and both functionality and Data coverage is great! It includes both Warp(Verizon) and Dark Star(AT&T) sim cards. Would Recommend! ... show more
Reviewed in the United States on July 30, 2026 by VS2929
    • Might leave you stranded with no service and not tell you this before you sign up
Model: DarkStar+Warp
Card arrived quickly and was easy to install with the app. They put me on a, "30 day" trial period. I left on an important trip and after a few days the data was used up and all service was disconnected. Also, I was unable to call even though the call and texting was unlimited. I was stranded and had to find a place with public wifi to connect to their app. I was speaking with customer support for hours and missed the first part of my trip. They had me switch cards saying I would get better service as well but then the next customer rep said that would do nothing to help so I spent even more time transitioning the new card activation with no service. Their customer service is just horrible. Also, this does not come with the light card / T-Mobile which provides the fastest data in my area. ... show more
Reviewed in the United States on August 5, 2026 by Amazonian
    • Would buy again
Model: DarkStar+Warp
Love this. Easy and very cost effective.
Reviewed in the United States on August 19, 2026 by Camille
    • Love US Mobile — best bargain in the business.
Model: DarkStar+Warp
I’ve tried a lot of prepaid carriers, and US Mobile is the one I keep coming back to. The plans are genuinely affordable, the coverage is solid, and the speeds are better than you’d expect at this price point. Setup is easy, the app is clean, and support is actually responsive. If you want maximum value without sacrificing performance, this is the one. ... show more
Reviewed in the United States on July 23, 2026 by G
    • Easy setup, but missing the Light Speed SIM
Model: DarkStar+Warp
The setup process on the US Mobile website was incredibly smooth and user-friendly. I had the service up and running in no time, which I really appreciated. However, the starter kit was a bit of a mixed bag. It came with the Warp (Verizon) and Dark Star (AT&T) SIM cards, but the Light Speed (T-Mobile) SIM was missing from the pack. It would have been great to have all three options on hand to test which network actually performs the best in my area before committing. ... show more
Reviewed in the United States on March 15, 2026 by Devin
    • overall satisfied.
Model: DarkStar+Warp
shipping is fast, but you can actually get it from US mobile for free if you do not need it like next day
Reviewed in the United States on September 6, 2026 by Yuxi

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