Ready to activate ATT in Minutes?
Att activate Prepaid is a flexible wireless service that lets you pay in advance for your mobile plan no credit checks, contracts, or surprises.
With AT&T for prepaid users, you can:
Pick a plan that fits your budget
Use unlimited talk, text, and data
Easily activate or deactivate services anytime
Manage everything from your Att activate account dashboard
Go to Att activate.
This page is specifically designed for prepaid customers to activate their new SIM cards.
Type your SIM number (ICCID) and device IMEI in the required fields.
These numbers allow Att activate to identify your prepaid SIM and link it to your phone.
Select your preferred prepaid plan monthly, weekly, or daily.
Each plan has different data and call limits, so pick the one that fits your usage.
Provide payment details using a credit card, debit card, or refill card.
Since prepaid services require payment upfront, this step activates your first cycle immediately.
Review your details carefully and click on Activate.
Att activate will now verify your payment and register your plan.
Once activation is successful, restart your phone.
After reboot, your Att activate prepaid SIM will start working, allowing calls, SMS, and data access.
How to Activate AT&T Prepaid Using Your Phone
You can also Att activate for prepaid users directly from your phone without going online.
Insert your new AT&T SIM.
Dial 611 (AT&T Customer Service) or 877.426.0525.
Follow the automated voice instructions.
Enter your ICCID and IMEI when prompted.
Complete activation by selecting your plan and payment method.
If you’re using an eSIM device (like iPhone or Google Pixel), AT&T lets you activate easily without a physical SIM.
Go to Settings → Cellular → Add Cellular Plan.
Scan the AT&T QR code from your activation email.
Choose Add Plan.
Restart your device once activation completes.
If you face difficulties activating online, you can reach AT&T Support and Customer Service:
Call: 1-800-901-9878 (AT&T Prepaid Support)
Visit: Att activate
Chat: Use live chat available on AT&T’s support portal
Already an AT&T Prepaid user upgrading to a new phone or SIM? Here’s how:
Log in at Att activate
Go to Profile → Update Device
Enter your new SIM ICCID and device IMEI
Save changes and restart your phone
After activation, you can refill your balance easily:
Visit Att activate
Dial 611 on your phone
Use AT&T Refill Cards purchased in-store or online
Activating AT&T for prepaid users gives you access to:
Nationwide 5G connectivity
No contract or credit checks
Instant activation and number setup
Manageable plans via mobile or web
Reliable customer service and support