You can refer to the SMS guideline for the United States to help you while onboarding.
This article provides details about:
| Locale Name | ISO Code | Region | Dialing Code | Available Routes |
|---|---|---|---|---|
| United States | US | North America | +1 | Promotional Transactional |
Promotional Routes
Below, you can see the guidelines for promotional routes:
| Available Sender IDs | Opt-out Options for Sender IDs |
|---|---|
| Dynamic Alphanumeric Sender ID is not accepted in the United States. Available Senders are: - Toll-Free - Dedicated Short Code | - Unsubscribe with External/Internal Link - Reply with Keyword |
Transactional Routes
SenderID approval processes are the same for transactional routes to use the SMS transactional API.