What Is an MVNO? How MVNO Plans Work at Home and Abroad

An MVNO Sells Cell Service on a Network It Doesn't Own

On a trip, your plan decides what happens when you land. Some MVNO plans include no data outside the US at all, while others charge by the day or include data in 200+ destinations.

A HelloRoam travel eSIM for your destination adds data and sits beside your US line, so your number stays on for calls and texts.

The FCC's 2024 Communications Marketplace Report says MVNOs traditionally own no network facilities. They buy mobile service wholesale from network owners and resell it.

The brand on your bill and the network your phone uses can belong to two different companies. Pick a plan that runs on Verizon's network and your phone connects to Verizon's towers. Pick one on T-Mobile's network and you're on T-Mobile's towers.

That changes when you leave the US. Your phone then connects to a partner network in the country you're visiting. Apple calls this data roaming: internet access over a cellular network in places your carrier's network doesn't cover.

MVNO Coverage Matches the Host Network, but Data Priority Can Differ

Coverage comes from the host network. An MVNO on AT&T's network uses AT&T's cell sites, so the host's coverage map is the one that counts.

The difference shows up in data priority when a cell site gets busy. Visible, which runs on its parent company Verizon's network, says data on its base plan may be temporarily slower than other traffic. Its Visible+ plans include premium data with no slowdowns due to prioritization.

Cricket, an AT&T brand, says on its plan labels that it may temporarily slow data speeds if the network is busy. Google Fi Wireless, which runs on T-Mobile's network, says it isn't subject to data traffic deprioritization. The plan's own terms tell you more than the brand name.

Some of the best-known MVNOs belong to the network they run on. Visible calls Verizon its parent company, Cricket is an AT&T brand, and T-Mobile names Mint Mobile and Metro by T-Mobile among its flagship brands.

What is the downside of an MVNO? At home, it can be slower data on a busy network. On a trip, it's the fine print: what the plan covers abroad, what a day there costs and whether your phone is locked.

To compare monthly prices at home, see our roundup of no-contract prepaid phone plans.

MVNO Plans Range From No Data Abroad to 200+ Destinations

Plans differ even inside one brand, so check yours by name. Here's what four popular MVNOs include outside the US, from their own plan pages as of October 17, 2026.

Which MVNO is best for international travel? Of these four, only Google Fi's Unlimited Premium includes data in 200+ destinations at no extra cost. Visible, Cricket and Mint sell day or trip passes for many other countries, so the right pick depends on where you go and for how long.

Read the fine print before a long trip. Google Fi says it suspends international data if most of your use over 90 days happens outside the US. Cricket says primary use must occur in the US for its Mexico and Canada roaming. Visible cuts Mexico and Canada data to 3G speeds after 2GB a day, and Cricket's daily Passport renews on its own until you cancel it. On Consumer Cellular, ask about your line before you go: see our guide to Consumer Cellular in Canada.

If your plan leaves out your destination, a travel eSIM covers the trip while you keep your US line. Cricket's Select Unlimited leaves out Mexico, for example, and Japan isn't on Cricket Passport's country list as of October 2026. A travel eSIM with mobile data for Mexico or data for your Japan trip fills that gap.

Verizon and AT&T Sell Day Passes for 210+ Destinations

The big carriers own their networks, and their travel add-ons work differently. Verizon's TravelPass costs $12 a day in 210+ countries and destinations, with 5GB of high-speed data before speeds drop to 3G for the rest of the session. AT&T's International Day Pass costs $12 a day on land in 210+ destinations for its unlimited plans, plus $6 for each extra line used that day.

Both charge only for the days you use. AT&T says a day starts the first time you use data, send a text, or make or accept a call in an included destination. If you haven't signed up, AT&T adds Day Pass to smartphones when you arrive and sends a text to say so.

On a 7-day trip with daily use, TravelPass or Day Pass comes to $84. If your destination is on their lists, Visible's Global Pass or Cricket Passport's daily option comes to $70, and Mint's 10-day pass costs $20 for 10GB. Google Fi's Unlimited Premium adds nothing for data in its 200+ destinations.

So the gap between an MVNO and a big carrier is widest abroad. Verizon and AT&T each sell one pass for 210+ destinations. MVNO plans run from no data abroad to passes in 50+, 140+ or 180+ countries, or included data in 200+ destinations. To weigh a pass against a travel eSIM, compare a travel eSIM with roaming.

MVNO Types Range From Light MVNOs to Full MVNOs

MVNOs differ in how much of the system they run themselves. Labels vary across the industry, but a common way to sort them uses three types.

For you, the type shows up in what the brand can change on its own. A full MVNO controls more of its service, such as its SIM cards and its roaming deals with networks abroad. A light MVNO leans on its host for those parts, so its features track what the host allows.

Which MVNO type is best? No type wins for everyone. For a trip, four checks matter more than the label. Check what the plan includes abroad and what a day there costs. Then check whether your phone is unlocked and how you reach support from another country.

A Travel eSIM Can Run Beside Your MVNO Line

Your phone can hold your US line and a travel eSIM at the same time. Apple says supported iPhones can keep two eSIMs active, one for your home number and one for the place you're visiting. Google says Pixel 3a and later phones can use two SIMs, one of them an eSIM.

Check the lock first. Apple says your iPhone can't be locked to a carrier if you want to use another carrier abroad. On iPhone, open Settings, then General, then About. "No SIM Restrictions" next to Carrier Lock means it's unlocked.

A phone bought from an MVNO can stay locked for a year. Visible unlocks phones bought on or after January 20, 2026 on request after 365 days of active, paid service. Cricket asks for 365 days of paid service on phones bought on or after July 1, 2026. If yours is still locked, ask about unlocking well before the trip.

Then set up the two lines in this order:

1. Install the travel eSIM at home before you fly. Apple lists a Wi-Fi network or hotspot among the things you need to use eSIM while traveling. Our guide shows how to set up an eSIM before you fly.
2. After you land, turn the travel line on and make it your data line. On iPhone, go to Settings, then Cellular, then Cellular Data. On a Pixel, go to Settings, then Network & internet, then SIMs, and pick it under Mobile data. On a Samsung Galaxy, use SIM manager.
3. Turn on data roaming for the travel eSIM line. On a Dual SIM iPhone, Apple's steps are to tap that line's number, then Cellular Data Options, then Data Roaming.
4. Keep automatic data switching off, so data stays on the travel eSIM instead of moving to your US line. On iPhone, it's called Allow Cellular Data Switching. On a Pixel, it's Automatic data switching under SIMs. On a Galaxy, look for auto data switching in SIM manager.
5. Set the US line's roaming. On iPhone and Pixel, each line has its own roaming switch, so you can turn data roaming off for the US line alone. If your phone has one data roaming switch for both lines, as many Samsung Galaxy phones do, leave it on so the travel eSIM can connect.

Your US line can stay on for calls and texts, such as bank codes sent by text. Apple notes you might still pay roaming fees on the home line while both lines are on. Check what your plan charges for a call or text abroad. Cricket, for one, says receiving texts won't trigger a Passport charge.

If your trip crosses borders, a HelloRoam regional plan keeps one eSIM working across the countries it covers, with 24/7 support if setup snags. Our guide to data roaming for a travel eSIM shows where each switch sits, phone by phone.

eSIM Is a SIM Format, Not a Type of Carrier

An eSIM is a digital SIM built into your phone. It isn't a kind of phone company, and offering one doesn't make a provider an MVNO. Apple's list of US carriers that support eSIM on iPhone includes AT&T, T-Mobile and Verizon Wireless alongside MVNO brands such as Visible, Mint Mobile, Spectrum Mobile and Xfinity Mobile.

With eSIM, you don't need to get, carry or swap a plastic card, or wait for one to arrive by mail. For a trip, that means you can add a travel line from home and leave your US SIM where it is. Our explainer on how an eSIM works covers the basics.

eSIM vs. physical SIM at a glance

Check your phone before you go. Apple supports eSIM on iPhone XS, XS Max, XR and later. Google says US Pixel 10, Pixel 10 Pro and Pixel 10 Pro XL phones are eSIM-only. You can check if your phone supports eSIM in our device list.

In short, the MVNO sets your plan, the host network sets your coverage at home, and your plan's travel terms set what a trip costs. An unlocked phone with a travel eSIM lets you pick your data abroad without changing your US plan.