US sender registration
Register brands, create campaigns, and set up 10DLC, short code, or toll-free numbers for SMS messaging in the United States.
For how numbers fit into all Infobip communication resources, see Resources and Numbers overview.
10DLC
Standard 10-digit local number. Fastest approval and lowest cost.
Best for A2P messaging, OTP, and notifications.
Short code
Premium 5-6 digit number. Highest throughput and brand recognition.
Best for high-volume campaigns.
Toll-free
800/888 prefix number. Inbound-focused with moderate throughput.
Best for customer support and service flows.
Where to start [#where-to-start]
| I want to... | Go to |
|---|---|
| Understand the full registration and compliance journey | How registration works |
| Choose the right number type | See comparison below |
| Buy a number | 10DLC · Short codes · Toll-free |
| Register my brand | Register a brand |
| Understand brand vetting | Brand vetting |
| Create a campaign | Create a campaign |
| Understand campaign AI review | Campaign AI review |
| Migrate existing numbers to Infobip | 10DLC · Short codes (USA) · Short codes (Canada) · Toll-free |
| Fix a rejected campaign | Campaign rejection codes |
| Check deactivated or ported numbers | Deactivated and ported numbers (FCC daily requirement) |
| Configure voice features (CNAM, E.911) | Voice number features |
| Send political messaging | Political campaigns |
Choose your number type [#choose-your-number-type]
| 10DLC | Short code | Toll-free | |
|---|---|---|---|
| Number format | 10-digit local number | 5-6 digit number | 800/888 prefix |
| Best for | General A2P messaging, OTP, notifications | High-volume campaigns at scale | Customer support, inbound flows |
| Max throughput | Up to 75 msg/sec | Up to 500 msg/sec | Up to 10 msg/sec |
| Cost | Low | Premium | Moderate |
| Setup | 1-2 weeks | 2-4 weeks | 1-2 weeks |
| Registration | The Campaign Registry (TCR) | Common Short Code Administration (CSCA) | Toll-free number (TFN) verification |
Not sure which to choose?
- Need more than 75 messages per second? → Short code
- Primary use case is customer support or inbound? → Toll-free
- Everything else → 10DLC
Learn moreObtain and manage numbers [#obtain-and-manage-numbers]
| Number type | Channels | How to obtain | How to manage |
|---|---|---|---|
| 10DLC | SMS, MMS | Buy through web interface or API, or migrate existing | Manage in Channels and Numbers or Resource Management API |
| Short code | SMS, MMS | Purchase through web interface, or migrate existing | Manage in Channels and Numbers or Resource Management API |
| Toll-free | SMS, Voice | Buy through web interface or API, or migrate existing | Manage in Channels and Numbers or Resource Management API |
Managing resources
Set up webhooks to configure inbound message handling and delivery reporting.
SMS documentation ↗
Start sending messages through the Infobip API or web interface.
Voice number features
Configure CNAM and E.911 features for voice-enabled 10DLC and toll-free numbers.
Ready to get started?
Start your free 60-day trial and send your first compliant US message today.
Start free trial