Planning a trip to the United States and need reliable mobile data, calls and texts? The following travel SIM cards are designed for visitors who want simple activation, broad coverage, and flexible durations. The options below cover multiple durations, networks and data allowances so you can pick a plan that fits your itinerary and devices.
| Product | Data/Calls | Duration | Notes |
|---|---|---|---|
| USA SIM Card for Travel to the USA. 7 Day | Unlimited Data, Calls & Texts (USA) | 7 days | 5G support; triple cut; compatible unlocked phones |
| EIOTCLUB Global Travel SIM Card | 2GB data (30 days); data-only | 30 days | Works in 33 European countries plus USA/Canada/Mexico |
| T-mobile Brand USA Prepaid Travel SIM Card | Unlimited Talk/Text; 4G LTE Data | up to 30 days | For unlocked GSM phones; activation may take up to 24 hours |
| USA SIM Card for Travel to the USA. 10 Days | Unlimited Data, Calls & Texts (USA) | 10 days | 5G capable; triple cut; check compatibility |
| SIM2ROAM USA Prepaid SIM Card | Unlimited 5G/4G Data; Unlimited Calls & Texts | 15 days | Hawaii included; refillable |
Across these options, you’ll find a range of data allowances, carrier networks and activation requirements. Whether you’re visiting for a week or two, these SIM cards are designed to be inserted into an unlocked device with minimal setup, helping you stay connected from airports to city streets and beyond.
TSIM 7-Day USA Travel SIM

This local T-Mobile USA SIM card is designed for travel within the United States. It offers truly unlimited SuperSpeed 5G data, calls and texts within the USA, with no international calling included. The SIM is a triple cut standard/micro/nano format, suitable for most devices when used with a compatible unlocked phone. It supports iPhone models beginning with X, with 5G capability on iPhone 12 and newer. Potential compatibility caveats exist for some Android devices and Mifi or iPad use. Before purchasing, verify your phone’s compatibility on T-Mobile’s site.
Key considerations include activation time, network performance, and the need for an unlocked SIM tray. OTT apps like WhatsApp can be used for calling home, and there is no provision for international calls on this card. For travellers focused on US-only coverage and 5G speed, this card provides straightforward, rapid setup and strong data provisioning on the T-Mobile network.
EIOTCLUB Global Travel SIM Card

This data-only SIM card provides 2GB of data for 30 days across 33 European countries plus the United States, Canada and Mexico. It is a plug-and-play option that requires no phone number, calls or SMS capability, making it ideal for travellers who primarily need internet access for maps, streaming, messaging via OTT services, and browsing. It is not suitable for devices requiring voice capability or text messaging, and cannot be used with data-only devices like some tablets. Renewal is possible through top-ups, offering flexibility for longer trips or multiple trips within a year.
Consider compatibility with your device and regional network bands. Since it is designed for data-only use, it complements a secondary phone or eSIM if you rely on voice elsewhere. Its global footprint is a strong point for travellers visiting multiple regions in one trip.
T-Mobile USA Prepaid Travel SIM Card

This SIM is geared toward use in unlocked GSM phones within the USA. It highlights a network upgrade from T-Mobile and advises compatibility checks via the BYOP resources on the T-Mobile site. Activation may take up to 24 hours, and customers are encouraged to schedule in advance to streamline the process. The plan includes unlimited talk and text within the USA, plus unlimited 4G LTE data and hotspot/tethering at 3G speeds under a usage policy. It cautions that older 2G/3G devices or certain international models may not work reliably.
Important considerations include device compatibility, SIM activation timing, and fair usage policies that may slow data speeds after a high-volume usage threshold. This option suits travellers who prioritise consistent data with US coverage and are prepared to confirm their device compatibility prior to purchase.
USA SIM Card for Travel to the USA. 10 Days

This card mirrors the 7-day TSIM option with a 10-day validity window. It provides unlimited data, calls and texts within the USA on the T-Mobile network, with 5G support on compatible devices. It includes a triple-cut SIM and is designed for unlocked phones. Users should verify compatibility for 5G access on iPhone models newer than iPhone X and be aware that some Android models may face network limitations. OTT apps can be used for calling home, but international calls are not included. Activation timing and use restrictions should be reviewed prior to purchase.
The 10-day duration is a convenient middle ground for shorter continental itineraries or a tightly scoped travel schedule, offering a mix of speed and flexibility for travellers prioritising high-speed data across major US cities.
SIM2ROAM USA 14 Days SIM

This SIM2ROAM offering provides 14 days of 4G/5G data with unlimited calls and texts across the USA, including Hawaii. It uses the T-Mobile network and is refillable, allowing continued use if required. It specifies no ID authentication, simplifying the purchase process, and highlights strong reception in typical US coverage areas. Data speeds may vary by location and congestion. The card includes a 1- to 3-in-1 SIM format (standard/micro/nano) for broad device compatibility, and it is suitable for travellers who want a straightforward, high-usage option for two weeks, with the potential for reuse on future trips through recharging.
Consider the need for calls, texting, and data balance, as well as whether you may travel to Canada or Mexico where the plan offers some data access. This option blends simplicity with robust US coverage for travellers seeking a dependable data and communications solution during mid-length stays.
Buying Guide: Key Considerations for Choosing a Travel SIM in the USA
- Coverage and network compatibility: Verify the carrier’s coverage in your destinations within the USA and ensure your device is compatible with the network bands (5G on newer iPhones, for example).
- Data vs. voice priorities: If you primarily need data, a data-only SIM or a plan with minimal calling may suit you; if you need calls, ensure unlimited talk/text is included.
- Duration and flexibility: Match the SIM’s validity period to your trip length and consider refillable options for longer stays or repeat travels.
- Device compatibility: Check if the SIM format is compatible with your phone’s SIM tray (standard/micro/nano) and whether your device is unlocked.
- Activation and setup: Some cards require activation time or pre-activation steps; plan accordingly to avoid connectivity gaps on arrival.
- Usage restrictions: Be aware of fair usage policies, throttling thresholds, and restrictions on data-only devices or international roaming.
- Roaming and tethering: If you plan to tether or use hotspot features, confirm hotspot support and any speed limits.
- Ease of purchase and support: Consider cards with straightforward activation, readily available support, and clear compatibility guidance.
In selecting a travel SIM for the USA, weigh the duration you need against the expected data consumption, city-to-rural travel, and whether you require voice services or data-only connectivity. The choices listed here cover short to mid-length trips with varying degrees of data speed, coverage breadth, and setup complexity, enabling a practical balance between reliability and cost for UK travellers.