United States: SMS Guidelines | Twilio
Operator network capability
Whether mobile operators in the given country support the feature.
Supported
Not Supported
Supported
Twilio supported
Whether Twilio supports the feature for the given country.
Supported
Not Supported
Supported
Sender ID preserved
In some countries sender IDs for certain sender types are not preserved and are changed for compliance and/or deliverability reasons. In these countries mobile subscribers will see a different ‘from sender ID’ than the one sent by you.
Yes
No
Yes
Provisioning time
Provisioning is the process of getting the sender ID approved and registered with mobile networks (depending on country requirements). Provisioning time is how long this process takes in the given country.
Requires registration
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6 – 10 weeks
UCS-2 support
—
—
—
Use case restrictions
Loan Advertisements – Third Party Lenders
“Get rich quick” schemes
- Work from Home Programs
- Secret Shopper
- Third Party Job Alerts
- Risk Investment Opportunities
Illegal substances
Lead Generation
Hate Speech
Dynamic Routing
Snowshoeing
Filter Evasion
Shared Phone Numbers
URL Cycling
URL Redirects
Number Cycling
Spam
Fraud or Deceptive Messaging
Inapproriate Content
Profanity
High Risk Financial
- Payday Loans
- Short Term-High Interest Loans
- Third Party Mortgage Loan
- Student Loans
- Third Party Auto Loans
- Gambling/Sweepstakes
Debt Forgiveness or Debt Collection
- Debt Consolidation
- Debt Reduction
- Third Party Debt Collection
- Credit Repair
Phishing
Gambling
Vape
Fireworks
For additional insight into these uses cases, including limitations, and exceptions, visit: Forbidden message categories for SMS and MMS in the US and Canada
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Loan Advertisements – Third Party Lenders
“Get rich quick” schemes
- Work from Home Programs
- Secret Shopper
- Third Party Job Alerts
- Risk Investment Opportunities
Illegal substances
Lead Generation
Hate Speech
Dynamic Routing
Snowshoeing
Filter Evasion
Shared Short Codes
URL Cycling
URL Redirects
Number Cycling
Spam
Fraud or Deceptive Messaging
Inapproriate Content
Profanity
High Risk Financial
- Payday Loans
- Short Term-High Interest Loans
- Third Party Mortgage Loan
- Student Loans
- Third Party Auto Loans
Debt Forgiveness or Debt Collection
- Debt Consolidation
- Debt Reduction
- Third Party Debt Collection
- Credit Repair
Phishing
Gambling
Vape
Fireworks
For additional insight into short code requirements see https://www.twilio.com/guidelines/us/short-code
Best practices
Refer to our FAQ for long code best practices.
Note: The euro symbol (€) is not supported; avoid using this character in message submission toward the United States.
Note: The euro symbol (€) is not supported; avoid using this character in message submission toward the United States.
Refer to our FAQ for short code best practices.
Note: The euro symbol (€) is not supported; avoid using this character in message submission toward the United States.
