Best phone plan options for a 1–3 month U.S. stay

Article

If your parents are traveling to the U.S. for around three months, "low effort" matters more than the cheapest rate. They will not want to debug hotspot settings, reinstall apps, or figure out why calls fail mid-trip. The safest move is to buy a preactivated physical SIM or an eSIM while still in China, complete the real-name (实名) activation before they fly, and finish any device setup on your side. That way they land with data already working and are never stuck in an airport terminal hunting for Wi-Fi with no way to reach you.

A few days before departure, turn on Wi-Fi Calling on their phone and keep it enabled while abroad. Even if their original China SIM has no international roaming, once the phone connects to any Wi-Fi network they can still receive and place calls to Chinese numbers at little to no extra cost. This single setting removes the single biggest panic point for first-time visitors: being unreachable and unable to call home.

The trap almost everyone hits is automatic renewal (自动续费). Many U.S. plans advertise a low first month, then silently renew at the standard price and keep charging the linked credit card. If the stay is three months, sit down with your parents before they return and either turn off auto-renewal on the official website or do it for them. Also watch for plans sold as prepaid that still require a long-term commitment — read the contract term carefully before paying.

One detail worth paying extra for is a card with a U.S. number plus a China number (中美双号). Your parents will frequently need to receive verification codes from Chinese banks, airlines, or apps — sometimes while standing in a U.S. checkout line. With a dual-number plan, those bank text messages come through to a China number reliably, and you save the hassle of juggling two apps or explaining why a code never arrives.

A practical checklist before you buy: confirm the phone is unlocked and supports eSIM if you choose one; check the exact renewal date and price; verify China calling or at least Wi-Fi Calling is supported; and keep your own number as the backup in case they need help with entry, rides, or hotels.

Who this is for

Visitors staying for several weeks to three months who need a U.S. number, data, and straightforward renewal rules.

What matters most

• Upfront term and renewal structure
• eSIM or physical SIM compatibility
• U.S. number and voice service
• Coverage at the actual home and travel addresses

Options explained

Common mistakes

• Choosing only by the advertised first price
• Assuming every eSIM includes calls and SMS
• Skipping the provider coverage and compatibility checks

FAQ