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Roaming in Sri Lanka from the USA
AT&T, Verizon, T-Mobile vs eSIM.

Each operator's option for a 10-day trip, checked on its own site, next to a live data eSIM price for Sri Lanka.

See Sri Lanka eSIM plans →

10-day trip to Sri Lanka

OperatorCostIncludesSlashtel eSIM (same trip)Difference
AT&T$120 · 10 days$12/day x 10 days10GB, 30 days: $14.19$105.81 less
Verizon$120 · 10 days$12/day x 10 days10GB, 30 days: $14.19$105.81 less
T-Mobile$50 · 10 days15GB20GB, 30 days: $27.49$22.51 less

Operator prices as listed on att.com, verizon.com, t-mobile.com on 23 September 2026; they include calls as well as data. Where an operator charges by the day, we compare an eSIM with at least 1GB a day. Slashtel prices are live in US dollars. AT&T is a trademark of AT&T Intellectual Property. Slashtel is not affiliated with AT&T. Verizon is a trademark of Verizon. Slashtel is not affiliated with Verizon. T-Mobile is a trademark of Deutsche Telekom AG. Slashtel is not affiliated with T-Mobile.

Questions

Which US operator is cheapest for roaming in Sri Lanka?

For a 10-day trip, T-Mobile at $50. AT&T: $120. Verizon: $120. Options differ in calls and data allowances, so compare what you will use.

Is a data eSIM cheaper than roaming in Sri Lanka?

For data, yes against each option we list: a Slashtel eSIM for the same trip costs $14.19 (vs AT&T $120), $14.19 (vs Verizon $120), $27.49 (vs T-Mobile $50). Operator options also include calls; the eSIM is data only.

Can I keep my US number in Sri Lanka?

Yes. Keep your US SIM in the phone for calls and texts such as bank codes, and use the eSIM for mobile data.

AT&T roaming Sri Lanka: full comparisonVerizon roaming Sri Lanka: full comparisonT-Mobile roaming Sri Lanka: full comparisonAll destinations