The USA SMS Guideline

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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.