United States SMS Features and Restrictions
Important Notice to Vonage Customers Using US Shared Short Codes
T-Mobile and AT&T’s new Code of Conduct prohibits the use of shared originators, therefore, Shared Short codes are not an acceptable format for A2P messaging.
Vonage customers using a Shared Short Code, must migrate SMS traffic to either a 10DLC, Toll Free SMS Number, or Dedicated Short Code before March 1, 2022.
Vonage customers using our Shared Short Code API must migrate to either our SMS API or Verify API.
Customers using Dedicated Short Codes are not affected by these changes within the scope of 10DLC.
Country Summary
Country Name | United States of America |
ISO | US |
Country Code | 1 |
Region | North America |
MCC (Mobile country code) | 310,311,312,313,316 |
Sender ID Guidelines
Alphanumeric Sender ID |
Alphanumeric sender ID is not allowed |
Numeric Sender ID |
|
Generic Sender ID | Alphanumeric sender ID is not allowed at all |
Use-Case & Content Guidelines
Use Case | Numbers | Examples |
Alerts | Toll-free numbers, 10DLC, Dedicated Short Code | |
Marketing | Toll-free numbers, 10DLC, Dedicated Short Code | |
2FA | Toll-free numbers, 10DLC, Dedicated Short Code | |
Political | Toll-free numbers, 10DLC, Dedicated Short Code |
Additional Information
P2P traffic is allowed on a case-by-case basis, special carrier approval required.
Disallowed content:
-
High-risk financial services
Payday/cash advance loans • Short term loans (unless from direct lender bank) • Auto loans • Stock alerts • Mortgage loans • Student loans • Debt collection (unless for company sending message) • Lead or commission generation • Tax relief programs • Cryptocurrency -
Get rich quick schemes
Deceptive work from home programs • Secret shopper ad campaigns • Risk investment opportunities • Multi-level affiliate marketing • Gambling/sweepstakes -
3rd party
Debt collection or consolidation • Debt relief or reduction • Debt forgiveness • Credit repair • Lead generation • Generic job alerts • Brokers -
Controlled substances
Tobacco • Vaping • Cannabis/CBD • Illegal drugs -
SHAFT
Sex • Hate speech • Alcohol • Firearms • Tobacco • Profanity -
Scams
Phishing • Fraud • Spam • Deceptive marketing -
Charity
Giving donations (case by case)
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