San Francisco eSIM
Stay connected in San Francisco with an instant-activation eSIM, fast data, and reliable support.
PLANS FOR ...
Customize your plan in 3 simple steps
1. Choose your destination
2. How much data do you need?
Select a destination to view plans.
3. How many days are you traveling?
Select data amount first.
Coverage
4G/5G networks in San Francisco
Activation
QR setup in minutes
Trip ready
Ideal for moving around San Francisco
Why use an eSIM in San Francisco?
You avoid roaming costs, activate your plan before flying, and get online as soon as you land in San Francisco. You can also keep your main number active while using travel data in USA.
Short trip (2-4 days)
1-3 GB
Navigation, messaging, tickets, and maps.
Full week (5-8 days)
5-10 GB
Daily maps, social apps, and short-form video.
Long stay (9-15 days)
10-20 GB
Occasional hotspot, video calls, and light work.
Connectivity checklist for San Francisco
Networks usually available: AT&T, T-Mobile.
Network coverage and quality for San Francisco
Priority access to AT&T and T-Mobile 5G and 4G LTE networks across all 50 states.
Local practical guide for San Francisco
Main airport
SFO
Recommended transport apps
Google Maps, Uber, Lyft, BART
Key areas to stay or visit
Useful areas for remote work
Activate your eSIM at SFO to move with BART, rideshare, and real-time maps.
Estimated usage by activity
How to activate your eSIM for San Francisco
Step 1
Buy online
Receive the QR instantly.
Step 2
Setup
Add the plan to your phone before traveling.
Step 3
Enjoy
Automatic connection upon arrival in the US.
USA Internet Comparison
| Option | Cost | Setup |
|---|---|---|
| Roaming | Very Expensive | Automatic |
| T-Mobile SIM | Expensive ($50+) | Store |
| Onzly eSIM | Affordable | Digital |
Frequently asked questions for San Francisco
Does Onzly eSIM work in San Francisco?
Yes, Onzly eSIM provides coverage in San Francisco and across USA through 4G/5G partner networks.
Can I activate the eSIM before arriving in San Francisco?
Yes, you can install it before traveling and activate it upon landing to connect immediately.
Does it include a phone number?
Our plans are data-only, ideal for use with WhatsApp or FaceTime.
Is it compatible with US iPhone 14/15/16?
Yes, and it is the only option since those models do not have a physical SIM slot.