For reliable mobile data in San Francisco, an eSIM that utilizes major US networks like T-Mobile or AT&T is ideal. EastESIM offers excellent coverage across the city, from Fisherman's Wharf to Golden Gate Park, ensuring strong 4G/5G speeds for navigation and staying connected. Look for plans with at least 5-10 GB for a typical week-long trip.
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What's the best eSIM for data in San Francisco, USA?
Updated May 30, 2026
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