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Ultra Mobile Unlimited SIM Card

Ultra Mobile bring your own phone unlimited SIM kit

Ultra Mobile unlimited phone plan - 1 month wireless service
Ultra Mobile SIM Card - HorizontalUltra Mobile SIM Card - Vertical
Powered by:
Unltd4G/5G Data
$40*$0 per GB
  • Unlimited nationwide talk & text
  • 4G & 5G data speeds
  • 3-in-1 SIM kit
  • Bring your own phone
See Deal* $480 for 12 Months Service
Powered by:

Ultra Mobile unlimited prepaid phone plan

Ultra Mobile SIM card description

  • Coverage provided on the nationwide T-Mobile network
  • Prepaid service - no contract, credit check, or activation fee
  • Bring your own compatible GSM phone or buy one from Ultra Mobile
  • Mobile hotspot use supported
  • Unlimited global texting and unlimited calling to 80+ countries
  • International roaming credits available in $5, $10, or $20 denominations
  • International plan tier comes with uTalk - a feature that gives you up to 1250 bonus minutes to your choice of 39 additional destinations
  • Customer service available by phone, email, and chat from 6am to 6pm every day

Ultra Mobile features

NetworkT-Mobile
Data Speed5G & 4G LTE
3G NetworkGSM
Mobile Hotspot
Bring Your Phone
Keep Your Number
Credit Check
Customer Service24/7
Money Back GuaranteeYes - 10 day
5G
PrepaidNo - prepaid
Taxes/fees included
VoLTE
WiFi Calling
Visual Voicemail
Multi-line Discounts
Multi-month Discounts
International CallsYes - Includes 80 countries
International Roaming

Ultra Mobile compatible phones

As Ultra Mobile runs on the T-Mobile network their SIM cards are compatible with GSM phones. If you’re not sure if your phone is compatible you can use our IMEI checker.

Most of the latest phones use both the GSM and CDMA technology.

Phone compatibility checker
Dial *#06# on your phone to access IMEI

Ultra Mobile coverage

Ultra Mobile is powered by the T-Mobile network, offering you access to their nationwide 4G LTE network and 5G where available.

Whether you’re new to or have used them before, you can check cell phone coverage in your area using your ZIP code.

Find Cheap Cell Phone Plans in Your AreaCheck Carrier Coverage

Ultra Mobile SIM card benefits

There’s a number of benefits when buying a SIM card kit with Ultra Mobile;

  • Prepaid: all plans are prepaid, so you can pick the features you want and pay upfront each month.
  • Same coverage: operating on one of the three major networks, you’ll get the same quality coverage.
  • Keep your own phone: they make it easy to bring your own phone so you don’t have to spend money upgrading to the latest handset, unless you want to.
  • Low cost plans: saving you up to $600 a year on your phone bill. Offering all the same features, but with half price plans.
  • Easy to switch: simply wait for your SIM kit to arrive, pop your new SIM into your phone and you’ll be up and running, all within a few days.

T-Mobile vs Ultra Mobile Plan Comparison

Keep your T-Mobile phone, number & coverage: Save $600 per year

CarrierNetwork Coverage4G/5G DataPriceAnnual Cost
T-MobileT-Mobile 4G & 5GUnltd*$70/mo$840/yr
Ultra MobileT-Mobile 4G & 5G3GB$20/mo$240/yr
*Don't waste money on unlimited data - Avg. data usage is only 3-5GBSavings$50/mo$600/yr

Ultra Mobile SIM card activation

It’s easy to bring your own phone to a cheaper carrier:

  1. Order the Ultra Mobile SIM starter kit online
  2. Replace the SIM card in your phone and follow the activation process
  3. If you’re looking to transfer your phone number, this can take up to 24 hours

Ultra Mobile SIM card FAQs

How much is a Ultra Mobile SIM card?

There's a variety of cell phone plans available to suit all budgets, with prices between $10 - $40.

Where can I buy a Ultra Mobile SIM card?

One of the reasons low-cost carriers can pass on savings to you is because they are online only and don't have any physical stores. You can purchase a Ultra Mobile SIM card online.

What phones are compatible with Ultra Mobile SIM card?

Most unlocked phones are compatible with Ultra Mobile SIM cards. If you're not sure you can check your phone compatibility.

Can I bring my own phone to Ultra Mobile?

Yes. You can bring your own phone to Ultra Mobile and they're compatible with most unlocked phones. You can check phone compatibility on the carrier site prior to ordering.

What is Ultra Mobile SIM card starter kit?

Your Ultra Mobile SIM card starter kit includes everything you need to switch over. Pick your plan, order online, and it's delivered straight to your door. Follow the instructions to activate your new plan.

Ultra Mobile info

Founded2011
Headquarters1550 Scenic Avenue Suite 100 Costa Mesa, CA 92626-1420
Employees51-200
Customer service(888) 777-0446
Rob Webber
Rob Webber

Rob has 15+ years experience in the US and UK running price comparison sites for cell phone plans, smartphone deals, TV, and internet. He loves thinking outside of the box to build tools that empower consumers to make more informed decisions.

Ultra Mobile User Reviews

Ultra Mobile
Average Customer Rating65 User Reviews
User Rating Distribution
5 Stars25
4 Stars9
3 Stars8
2 Stars9
1 Star14

The Best and for Cheap

Swapped from Cricket mobile to Ultra and I'm having a better time with Ultra. They have superior customer service and I can contact my friends in other countries. I would recommend Ultra to my friends and family.

Affordable and nice

Very affordable and comes with unlimited talk and text. Thanks Ultra

Ads sent me to Ultra

I saw lots of ads for Ultra Mobile on Pluto tv (iirc) and decided to give it a shot. It is a little more expensive than Mint Mobile but it's also much faster. I think I'll stick with it.

Ultra by T-Mobile

Has a good signal for a T-Mobile service. Worth every penny I paid for.

Mint's so much better

Ultra Mobile's garbage. It's a ripoff for the same service as Mint.

Pretty good

Sometimes data doesn't work but it's overall good. Does the job if you're traveling in the US.

An ULTRA good network

I really like Ultra Mobile. The SIM card is so easy to install and activate and you get fast internet and I get 5 bars no matter where I go. It saves me a lot of money too. I left Verizon for Ultra Mobile and I'll never look back.

Great!

UltraMobile offers great pricing for their plans. Easy to activate .

Works most of the time...

The Ultra Mobile app works most of the time but sometimes it stops working. The only fix is to uninstall and reinstall. When it works it works great.

A great value.

Ultra Mobile has great coverage for my phone for cheap and offers unlimited International Texting to over 80 countries which I absolutely need and love because I have a lot of family members outside the US.

Samsung Galaxy Note10+ 5G
AT&T
Verizon
T-Mobile
Sprint
GSM Compatibility
CDMA Compatibility
LTE Compatibility
5G Compatibility
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