1PSIM is the easiest and most affordable way to get reliable mobile service in the United States. Whether you are a traveler, student, remote worker, or someone who simply needs a second line, 1PSIM gives you the freedom to stay connected without expensive contracts or complicated activation steps.

Our service runs on the T Mobile nationwide network, offering fast mobile data and dependable voice coverage across the United States. You can choose from both eSIM and physical SIM options, and activate your plan anytime through our simple self service portal.

Why Choose 1PSIM

Affordable Pricing
Plans start as low as 3 USD per month. Enjoy clear and simple pricing with no hidden fees or long term commitments.

Flexible Plans
Pay only for what you need. Whether you want a short term travel plan or a low cost monthly option, you can adjust or cancel anytime.

Reliable Coverage
1PSIM uses the T Mobile network to deliver strong nationwide coverage and high speed data wherever you go in the United States.

eSIM and Physical SIM
Choose the convenience of eSIM or the flexibility of a physical SIM card. Activate, pause, or change your plan whenever you need to.

Quick and Easy Activation
Get connected in minutes. Our online activation system guides you step by step so you can start using your SIM immediately.

Perfect for Travelers and Second Lines
Use 1PSIM when visiting the US, or as a second number for work, social media, or privacy protection. Keep your main number private while staying reachable anywhere.

Keep Your Number
If you do not need your line temporarily, keep your number active for just 1 USD per month until you are ready to use it again.

Roaming and Wi Fi Calling
Send and receive texts and calls even when abroad. With Wi Fi calling support, you can stay connected anywhere with an internet connection.

Self Service Portal
Manage everything yourself. Activate, renew, top up, and change your plan at any time. You are always in control.

Customer Support
Our online support team is ready to help you anytime. You can find guides, FAQs, and contact options right from the app or website.

Who Is 1PSIM For

International travelers who need an affordable US number and data plan

Students and digital nomads living in the United States temporarily

Businesses and professionals needing a second number for work

People who want a backup or privacy line for social media and online activity

Anyone looking for the lowest cost US SIM plan without losing flexibility

How It Works

Order your SIM or choose eSIM delivery directly from the app

Activate your plan using our step by step guide

Start calling, texting, and browsing in minutes

There are no stores, no paperwork, and no waiting. Everything is done online, giving you complete control over your mobile service.

Stay Connected the Smart Way

With 1PSIM, you are free from long contracts and confusing bills. Our pay as you go system ensures you pay only for what you use, while still getting full access to reliable nationwide coverage.

Whether you need a short term travel SIM, a second line for privacy, or a simple mobile plan that just works, 1PSIM makes it fast, easy, and affordable.

Download 1PSIM today and discover a better way to stay connected in the United States.