[USA] How to Activate your PhoneBox US Plan Under Physical SIM card
Once your SIM card is ready, you can activate your PhoneBox plan online through the PhoneBox website.
If you don’t have SIM card yet, please purchase your plan with Physical SIM first
How to Purchase PhoneBox US plan
Step-By-Step Guide to Activate Your US SIM card
- Visit PhoneBox and click “Mobile Plans"
- Select the plan of your preference and click [Purchase Now]
- Enter the SIM Information
- Select [Physical SIM] and click [I already have a SIM card]
- Enter your SIM card number which behind of your card
- Enter SIM Usage Information
- Sign up for PhoneBox self-serve and Sign in to proceed the check out.
- Please complete your payment.
Once your payment is successfully processed, your phone number will be sent to you by email on your selected activation date.
Do you still need help?
Are you looking for different information about PhoneBox? You can visit the support section and read the frequently asked questions (FAQs). If you haven’t found the information you need, please contact our customer care via services@gophonebox.com or toll-free: 1-855-886-0505.
Updated on: 06/03/2026
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