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An eSIM for San Diego from HelloRoam starts at S$3.69 across 204+ carrier networks in 185+ countries. Activate via QR code in under two minutes on any eSIM compatible phone. Keep your Singtel, StarHub, or M1 number active on dual SIM.
194+
networks
5G
5G support
under 2 minutes
activation
![[[networkType]] network speed](/icons/figma-2026/stats-speedometer.svg?dpl=dpl_EioS3cGxuTFw9jiCyxar8RoWYu9P){kind=icon}
Updated
San Diego eSIM mobile data covering the Gaslamp Quarter and La Jolla coast
Affordable eSIM for San Diego, starting from S$3.69. Local 4G LTE and 5G data on trusted carrier networks in San Diego. Works on all eSIM compatible handphones. San Diego Zoo, Balboa Park, and Coronado Beach all sit within a short ride from SAN Airport, so having data from the moment you land is straightforward. A HelloRoam eSIMs San Diego starts at S$3.69 on T-Mobile and Verizon 5G networks across the city. Activate by QR code at home before your Changi departure. HelloRoam backs every order with a 180-day refund guarantee.
