Below are several wireless internet service providers that offer global Wi-Fi internet access.
AT&T International
SIngle-day plan available.
Available in 200 countries.

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Limited availability in some countries.
Per minute charge for talk on Passport plan.
(Check out the map of AT&T Wi-Fi locations to view coverage.)

In addition, AT&T offers several paid plans that include:
T-Mobile Travel
210+ locations.
Special pricing for seniors.
Unlimited data and texting.

No extra plan needed for Mexico and Canada.
Standard speed approximately 128 Kbps.
Limited coverage in rural areas.

Per minute talk fee on most plans.
Plans include:
Sprint has merged with T-Mobile.
Sprint customers havedifferent travel benefits.

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Verizon International
Coverage in 220+ countries.
Afffordable add-on to regular plan bills only on days used.
The Pay as You Go plans are expensive.
Fees for overages on some plans.
Unless you have a long trip planned, Verizon’s TravelPass is the best way to go.
It is an add-on to your current plan that costs only on the days you use it.
TravelPass: Added to a current Verizon plan, TravelPass supplies unlimited calling and texting with 4G LTE data.
Only charged on the days you use calls, send texts, or use data while abroad.
The cost is $100 for the month.
Boingo Global
Prepaid data at low rates based on how long you travel.
Can cancel at any time.
Limited hotspots in some locations.
(Many different devices are supported.)
If you’re able to find a Starbucks or McDonald’s, you’ll likely find free Wi-Fi.