Public Mobile roaming in the USA and Mexico matters if you want a Canadian phone plan that can cross the border with you. Several current Public Mobile 5G plans are listed as Canada-US-Mexico plans, so the main question is whether the plan you choose clearly includes the countries you need.

Public Mobile roaming USA Mexico answer
Public Mobile currently lists several 5G plans as Canada-US-Mexico plans. If you are on an eligible plan, you can use the included talk, text, and plan data while in Canada, the United States, and Mexico, subject to the plan terms shown at activation. The data comes from the same monthly data bucket shown on the plan page, so a 40GB plan gives you a smaller travel cushion than a 100GB or 150GB plan.
The safe way to read these plans is simple: the country label matters. If the plan says Canada-US-Mexico, treat it as the travel plan. If the plan says Canada-wide, do not assume it includes travel use in the United States or Mexico. Public Mobile changes plans and offers often, so verify the exact wording in your account or on the official plan page before you switch.
| Reader situation | Best fit | Why |
|---|---|---|
| One or two short US trips per year | $35 Canada-US-Mexico plan if the data amount fits | Lower monthly cost while still keeping cross-border use on an eligible plan |
| Frequent US trips or Mexico trips | $40 or higher Canada-US-Mexico plan | More data gives you room for maps, rideshare apps, messaging, and hotel Wi-Fi gaps |
| Travel outside North America | Local SIM or travel eSIM | Public Mobile plans are focused on Canada, the United States, and Mexico, not global roaming |
What Canada-US-Mexico means
A Canada-US-Mexico Public Mobile plan is meant for normal phone use across those three countries. The current plan page groups the $35, $40, $45, and $50 options under Canada-US-Mexico, with 5G speed, included data, unlimited talk and text, 1000 international minutes, and 2 percent back in Public Points. The exact data amount depends on the plan tier you choose.
For a Canadian traveller, the practical benefit is that you do not have to buy a separate short-term US roaming add-on for every eligible trip. Your phone plan can stay active while you cross into the United States or Mexico, and your usual apps can keep working if your phone connects properly to a roaming partner.
This does not remove every travel step. Your phone still needs roaming enabled, your device must support the network bands used by the roaming partner, and you should restart your phone or manually select a network if it does not connect after crossing the border. Public Mobile is online-first, so you should save account login details before you leave Canada.
Current Public Mobile roaming plan examples
On the official plan page checked for this draft, Public Mobile listed these Canada-US-Mexico 5G plan examples:
| Monthly price | Listed data | Best for |
|---|---|---|
| $35 | 40GB | Light to moderate users who want the cheapest listed 5G cross-border plan |
| $40 | 100GB | Heavier users who want far more data for only $5 more |
| $45 | 150GB | Very heavy data users or people who stream often away from Wi-Fi |
| $50 | 200GB | Users who want the largest listed data bucket in the current lineup |
For most people, the $40 tier is the easiest plan to justify if the 100GB offer is still available when you sign up. The $35 plan saves $5 per month, but the current data gap is large. If you travel, use maps often, upload photos, or hotspot a laptop occasionally, the larger bucket can be worth the extra cost.
The $35 plan still makes sense for disciplined users. If you mostly use Wi-Fi, stream lightly, and only need maps, messaging, banking apps, email, and occasional browsing while travelling, 40GB can be more than enough. The risk is not the plan itself. The risk is choosing the cheapest travel plan without checking your own monthly data use first.
What to check before you travel
Check four things before leaving Canada. First, confirm your actual plan name inside your Public Mobile account. Do not rely on an old screenshot or memory from when you activated. Second, confirm that your plan label includes Canada-US-Mexico. Third, check your remaining data before the trip starts. Fourth, make sure data roaming is enabled in your phone settings.
On iPhone, roaming is usually found under Cellular, Cellular Data Options, then Data Roaming. On Android, the wording varies by device, but it is usually inside Network and Internet or Mobile Networks. Turn roaming on only when you need it, especially if you use a second SIM or eSIM for travel.
Download offline maps before you leave. This saves data and gives you a backup if the phone takes time to attach to a roaming network. Also save your hotel address, flight details, booking confirmations, and two-factor authentication backup methods. A working travel plan is useful, but it should not be your only copy of important information.
Where Public Mobile roaming does not fit
Public Mobile roaming is not the best choice for every traveller. If you need full-service support, airport help, corporate roaming controls, or a plan built for many countries, a premium carrier or travel eSIM may be a cleaner fit. Public Mobile is better for people who are comfortable managing an online account and checking plan details themselves.
It is also not the plan to rely on for Europe, Asia, the Caribbean, or other destinations outside the Canada-US-Mexico zone. For those trips, plan on a local SIM, a travel eSIM, Wi-Fi calling where supported, messaging apps, or a different Canadian carrier plan that clearly includes the destination you need.
If you mainly stay in Canada and rarely travel, the cheaper Canada-wide 4G plans can still be worth comparing. Paying for cross-border access only makes sense if you will use it or if the data value is strong enough to justify the price even without travel.
How to control data use while travelling
Cross-border data disappears faster than home data because travel creates different habits. You may use maps for every drive, upload more photos, check restaurant menus, call rideshare cars, stream entertainment in airports, and search directions while away from Wi-Fi. A plan that feels large at home can feel smaller on a trip if you do not prepare.
Set your phone to download app updates only on Wi-Fi. Download offline map areas for the cities you will visit. Turn off automatic cloud backup for photos and videos until you return to Wi-Fi. These small settings can protect the data bucket you actually need for navigation, messaging, boarding passes, banking, and emergency information.
If you travel with another person, avoid using one phone as the hotspot for every device unless you chose a larger plan. A laptop, tablet, and streaming app can burn through data much faster than normal phone use. For a short trip, the $35 plan can work well. For a longer trip, the $40 plan gives more room if the 100GB version is still available.
If your phone does not connect after crossing the border
Give the phone a few minutes after crossing into the United States or Mexico. If it does not attach to a network, restart the phone first. Then confirm data roaming is on. If that does not work, open the cellular network selection setting and try automatic network selection. If automatic selection fails, manually choose an available partner network and test a simple web page.
Do not wait until you are standing at a rental car desk or hotel counter to test the connection. Check it shortly after arrival, while you still have airport Wi-Fi or another backup. If cellular data does not work, you can still use Wi-Fi to log into your Public Mobile account, check support articles, or purchase a temporary travel eSIM as a backup.
If the live plan page changes before publication, update the plan table first. The safest version of this article is the one that matches the current country label and data amount on the day it goes live.
For the live network source, check the TELUS coverage map before making a final switching decision.
For a related next step, read public mobile plans canada 2026.
Public Mobile roaming FAQ
Does Public Mobile work in the USA?
Yes, if you are on an eligible Canada-US-Mexico plan and your phone connects to a supported roaming partner. Check your plan label before travelling.
Does Public Mobile work in Mexico?
Eligible Canada-US-Mexico plans are designed for use in Mexico as well as Canada and the United States. Connection quality still depends on local partner coverage and your phone.
Does roaming use my regular data?
Yes. The data is part of the plan bucket shown on your plan. A smaller data plan gives you less room for travel use.
Should I choose the $35 or $40 plan for travel?
Choose the $35 plan if you want the lowest current 5G travel tier and your data use is modest. Choose the $40 plan if the 100GB offer is still live and you want more room for maps, hotspot, streaming, and photos.
Before activating, check the live Public Mobile plan page and your exact account terms. If the Canada-US-Mexico plan still fits your travel pattern, you can use referral code 5ESROG during activation for the current referral credit on this sample site.
For the most accurate answer, check the public mobile roaming usa mexico at your exact home, work, commute, and travel locations before activating.