Should you keep your U.S. phone number after retiring in China? If your bank, credit card, investment, and retirement accounts remain in the United States, that number may be more than a communication tool—it can become a key part of your digital identity. This guide explains how low-cost MVNOs, Wi-Fi Calling, and a Chinese physical SIM plus a U.S. eSIM can help you keep the number at minimal cost, and why the setup should be completed before leaving the United States.
