10 things to know about Ultra Mobile before you switch
5 min read
Deal of the Month: Ultra Mobile unlimited for $44/mo
Ultra Mobile runs on T-Mobile's network from $4/mo — with international calling to
Ultra Mobile from $4/mo on T-Mobile — international calling to 80+ countries built into most plans
T-Mobile
coverage
3GB
$10
/mo
$16/mo
T-Mobile
coverage
0GB
$13
/mo
T-Mobile
coverage
Unlimited
$25
/mo
$44/mo
Recommended Ultra Mobile plans for October 2026
Ultra Mobile comparisons
Compare Ultra Mobile plan prices
Cut your phone bill - not your wireless coverage
Ultra Mobile
vs$25/mo*$44/mo
Unlimiteddata
T-Mobile5G & 4G networks
See at Ultra Mobile*$19 Off for 3 Mths
$471/yrTotal cost
$75/mo
Unlimiteddata
T-Mobile5G & 4G networks
$900/yrTotal cost
$75/mo
Unlimiteddata
AT&T5G & 4G networks
$900/yrTotal cost
$75/mo
Unlimiteddata
Verizon5G & 4G networks
$900/yrTotal cost
Ultra Mobile guides
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May 01, 2026
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Feb 10, 2026
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Ultra Mobile customer service
| Founded | 2011 |
| Headquarters | 1550 Scenic Avenue Suite 100 Costa Mesa, CA 92626-1420 |
| Employees | 51-200 |
| Customer service | (888) 777-0446 |
| Support | Ultra Mobile customer service |
| Website | Ultra Mobile's Website |
| Wikipedia | Ultra Mobile's Wikipedia |
| Ultra Mobile's Facebook | |
| Ultra Mobile's Twitter |
How much could you save?
Calculate your savings now
Same coverage - cut your bill by up to $600/yr
Ultra Mobile Unlimited
with T-Mobile 5G & 4G coverage
$25/mo