USA 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
Obtain 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.
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