Skip to content

Alphanumeric Sender IDs

With Alphanumeric Sender IDs, you can send Cloud SMS messages to supported countries from a personalized Sender ID (for example; the name of a business or organization) instead of an E.164-formatted phone number.

Country Support?

You can find out which countries support Sender IDs here.

Formatting Rules

Alphanumeric Sender IDs can contain up to 11 characters and can use the following:

  • Upper-case letters A - Z
  • Lower-case letters a - z
  • Numbers 0 - 9
  • Spaces

Sender IDs must contain at least one letter. Special characters and punctuation are not allowed.