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If a large chunk of your phone bill goes on calling family overseas, the math on a mainstream US carrier rarely works in your favor. You pay for a plan, then you pay again for international minutes, or you juggle a calling app that drops out halfway through the conversation. That is the specific problem Lycamobile has built its whole US business around, and it is worth understanding before you judge it against Verizon or T-Mobile on data alone.
Quick answer: Lycamobile is a no-contract prepaid carrier whose plans bundle unlimited nationwide talk and text with unlimited international calling and texting to 100 countries. Promotional pricing currently starts around $7.50 per 30 days for 18GB, with unlimited data from $18. New lines now run on AT&T’s network rather than T-Mobile’s, so check AT&T coverage where you live before you port your number.
What Lycamobile actually is
Lycamobile is an MVNO — a carrier that sells service on someone else’s towers rather than building its own. It launched in the UK in 2006 and entered the US market in 2012, and it describes itself as the world’s largest international mobile virtual network operator. In the US it is a mid-sized player, with somewhere north of 540,000 subscribers according to industry tracker BestMVNO.
The positioning is narrow and deliberate. Lycamobile does not chase the premium unlimited-everything customer. It targets households that make regular international calls: recent immigrants, students, people with family abroad, and anyone who would otherwise be buying calling cards or add-on international packs. Nearly every plan it sells includes unlimited international talk and text to 100 countries as standard, not as a paid extra. That is the single feature that explains the pricing, the marketing, and most of the trade-offs below.
Everything is prepaid and SIM-only. There is no contract, no credit check, and no device financing. You buy a plan for 30 days, and when it ends you renew or you don’t.
Lycamobile US plans and prices
Lycamobile splits its lineup into two groups: unlimited-data plans, and fixed-allowance plans where you pick a data bucket. Both groups include the same unlimited nationwide talk and text plus unlimited international calling to 100 countries.
The unlimited tier is where the heaviest discounting sits right now. Both Unlimited Plus and Unlimited Pro give you unlimited data with full-speed access for the first 50GB, after which speeds are reduced for the rest of the cycle.
Here is how the main plans line up. The “regular price” column is the list price the plan reverts to once the promotional window ends, which matters more than it looks — a plan that is cheap for six months and then triples is a different proposition from one that is simply cheap.
| Plan | Data | Promo price /30 days |
Regular price |
|---|---|---|---|
| $15 Plan | 1GB | $15.00 | $15.00 |
| $19 Unlimited International | 5GB | $10.00 | $19.00 |
| $23 Unlimited International | 8GB | $15.00 | $23.00 |
| $29 Unlimited International | 15GB | $29.00 | $29.00 |
| $33 High Data Plan | 18GB | $7.50 | $33.00 |
| $39 Unlimited International | 25GB | $39.00 | $39.00 |
| Unlimited Plus | Unlimited 50GB full speed |
$18.00 | $49.00 |
| Unlimited Pro | Unlimited 50GB full speed |
$29.50 | $59.00 |
A few things stand out. The $33 High Data Plan at $7.50 is the outlier — 18GB with unlimited international calling for under eight dollars is aggressive by any standard, and the promotional window on it is six months. Unlimited Plus at $18 runs for nine months before reverting, and the $19 plan’s promotional rate holds for twelve. Read the promo duration on the plan card before you commit, because it is printed right there and it varies plan by plan.
Lycamobile also sells multi-month bundles on some plans, which is where the deeper savings live if you are confident you will stay. On the $23 plan, for example, buying three months up front has been listed at $21, six months at $78 and twelve months at $108 against a $276 list price. Bundles remove the renewal admin, but they also remove your flexibility, so only take one after you have confirmed coverage where you actually spend your time.
The network switch: Lycamobile is on AT&T now
This is the most important recent change and the one most comparison sites still get wrong. For over a decade Lycamobile US ran on T-Mobile’s network. That has changed. New Lycamobile activations now run on AT&T, and existing customers on the old T-Mobile-based SIMs were required to swap to an AT&T SIM to keep service, with a cutoff in mid-April 2026.
Two practical consequences follow from that.
- Check AT&T coverage, not T-Mobile coverage. If you researched Lycamobile a year or two ago and concluded it worked well in your area, that conclusion is now out of date. The towers are different. Look up AT&T’s coverage map for your home, workplace and commute before porting a number you care about.
- Older phones may not make the jump. A handset that worked fine on the T-Mobile-based service may not support the right AT&T bands or VoLTE. If your phone is several years old or was originally sold locked to another carrier, confirm compatibility first rather than after.
If you are weighing Lycamobile against staying on a major network, our guide to T-Mobile’s postpaid plans covers what you give up and what you pay for on the other side of that trade.
Where Lycamobile is strong, and where it isn’t
No prepaid carrier at these prices is without compromises. Here is an honest read.
Strong points
- Unlimited international calling and texting to 100 countries is included, not an add-on
- Genuinely low promotional pricing, especially on the 18GB and Unlimited Plus plans
- No contract, no credit check, no early termination fee
- 5G access on every plan, not reserved for the top tier
- eSIM available for same-day activation without waiting for a SIM in the mail
- Multi-month bundles cut the effective monthly cost further
Weak points
- Promotional prices expire, and the revert price can be two to four times higher
- As an MVNO, your data can be deprioritized behind AT&T’s own customers when a tower is congested
- “Unlimited” data is full speed for the first 50GB, then throttled
- The network migration means older coverage reviews are unreliable
- No device financing or phone deals — bring your own handset
- Support is phone-based; expect a queue rather than instant chat
The deprioritization point deserves a sentence of context, because it is the standard MVNO trade and it is not unique to Lycamobile. On an uncongested tower you will not notice it. At a stadium, an airport or a downtown block at 6pm, you may. If you routinely need reliable high-speed data in crowded places, that is the argument for paying more on a first-party plan.
Getting set up
Activation is deliberately simple, which is part of the appeal for anyone who does not want a store visit.
- Pick your plan and SIM type. A physical SIM ships to you; an eSIM can be activated the same day if your phone supports it. The plan pages flag which options are available.
- Check your phone is unlocked. If you see “blocked”, “barred”, “incorrect SIM” or “SP lock” when you insert the new SIM, the handset is still locked to a previous carrier. Only that carrier can release it, so start the request early.
- Activate. Dial 622 from the phone and enter your ZIP code when prompted. Your PUK code, if you need it, is printed on the SIM card holder in the starter pack.
- Port your number if you want to keep it. Keep your old line active until the port completes — cancelling first is the classic way to lose a number permanently. Group porting for multiple lines is handled by customer service.
- Confirm your new number. Dial *613# or 97# to see the number assigned to the SIM.
One habit worth building: set a calendar reminder for the date your promotional pricing ends. Prepaid plans renew quietly, and the most common complaint about promo-led carriers is not the service, it is the bill that changed while nobody was looking.
Frequently asked questions
What network does Lycamobile use in the US?
Lycamobile US now runs on AT&T’s network. It spent more than a decade as a T-Mobile MVNO, but new activations moved to AT&T and existing customers were required to swap to an AT&T-based SIM, with a deadline in mid-April 2026. Many comparison sites have not updated this, so check AT&T coverage for your area rather than T-Mobile’s before you sign up or port a number.
Does Lycamobile really include unlimited international calls?
Most Lycamobile US plans include unlimited international talk and text to 100 countries as part of the standard monthly price, rather than as a paid add-on. The country list is what matters: it covers 100 destinations, not every country in the world, and the specific list can change. Check that the countries you actually call are on the current list before you buy, since that is the whole reason to choose Lycamobile over a cheaper data-only plan.
Is Lycamobile’s unlimited data truly unlimited?
Not at full speed. Unlimited Plus and Unlimited Pro give you unlimited data with full-speed access for the first 50GB in a 30-day cycle, after which speeds are reduced for the remainder of the cycle. You will not be cut off or charged overage, but heavy streaming will suffer once you pass the threshold. As an MVNO customer you may also be deprioritized behind AT&T’s own subscribers when a tower is busy.
Do I have to sign a contract with Lycamobile?
No. Lycamobile is prepaid and contract-free, with no credit check and no early termination fee. You pay for a 30-day cycle and renew it, or stop. The one caveat is the multi-month bundle: buying three, six or twelve months up front lowers the effective monthly price but commits your money for that period, so it is worth confirming coverage on a single month first.
How do I activate a Lycamobile SIM?
Insert the SIM, dial 622 from the phone and enter your ZIP code when prompted. If you chose an eSIM you can typically activate the same day by scanning the QR code you receive. Your PUK code is printed on the SIM card holder in the starter pack, and you can check the number assigned to your SIM by dialling *613# or 97#. If the phone shows a lock message, it is still locked to a previous carrier and only they can unlock it.
The bottom line
Lycamobile is a specialist, and it should be judged as one. If you call abroad regularly, bundling unlimited international minutes into a $10 to $18 monthly plan is a genuinely better deal than anything the major carriers will sell you, and the promotional pricing on the 18GB and Unlimited Plus plans is unusually aggressive right now. If international calling is irrelevant to you and you mostly want fast, reliable data in busy places, the value case is much weaker and you are better off elsewhere.
Two things to verify before you commit: that AT&T covers the places you actually spend your time, and how long your chosen plan’s promotional price lasts. Get those two right and the rest of the decision is straightforward.
Plans, promotional prices, promo durations and the international destination list change regularly. Please confirm current details on the official Lycamobile US website (lycamobile.us) before you buy.