Whether you're studying abroad, traveling, or living long-term in the United States, choosing the right prepaid SIM card is essential. This guide highlights several cost-effective prepaid options that provide reliable data and international calling services.

Lycamobile offers multiple plan options, including an unlimited high-speed data plan for just $50 per month and a 7GB high-speed data package for $30 monthly. Their plans also include unlimited calls to China, Hong Kong, Taiwan, and several other countries—ideal for users who frequently make international calls.

Ultra Mobile prepaid cards operate on T-Mobile's network, with plans starting at $20 per month. These budget-friendly options include unlimited calls to China, Hong Kong, and Taiwan, perfect for users who need basic communication services.

Similarly, H2O Wireless utilizes AT&T's network with $20 monthly plans that offer unlimited calling to China, Hong Kong, Taiwan, and 80 additional countries—delivering exceptional value for international callers.

For users prioritizing premium connectivity, Verizon's unlimited high-speed data plan ($50/month) provides reliable nationwide coverage. All these prepaid options require no contracts, deposits, or credit checks, with particularly robust international calling features that even include free US-China calls.

Activation is straightforward through online portals, and Chinese-language customer support is available to eliminate language barriers. Selecting the right prepaid solution will significantly enhance your communication experience while in the United States—whether for work, study, or travel.