Trustpilot
An eSIM for California from HelloRoam starts at S$3.66 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_EZPUkETyUsS6BoZux96CuKxseUzm){kind=icon}
Updated
California prepaid eSIM covering LA and San Francisco on arrival
Affordable eSIM for California, starting from S$3.66. Local 4G LTE and 5G data on trusted carrier networks in California. Works on all eSIM compatible handphones. California stretches from Los Angeles to San Francisco and your data plan needs to keep pace. A HelloRoam prepaid SIM card California puts you on T-Mobile and Verizon 5G networks from the moment you clear LAX or SFO customs. Plans start at S$3.66 with no contract. Activate by QR code at home before your Changi flight. HelloRoam backs every order with a 180-day refund guarantee.
