Home

A-Number or Alien Registration Number (A-Number)

Spanish: Número "A" o Número de Registro

Description

The A-Number, or Alien Registration Number, is a unique identifier assigned to non-citizens in the United States for immigration purposes. It is used to track an individual's immigration history and status.

Interpreter Notes

Interpreters should be aware that the term 'A-Number' may be referred to as 'número de registro' in some contexts, but it is important to use the canonical term to avoid confusion. Be cautious of regional variations and ensure that all parties understand the significance of this number in immigration processes.

Example Sentences

EN: The applicant must provide their A-Number on the immigration form.

ES: El solicitante debe proporcionar su Número 'A' en el formulario de inmigración.

Common Interpreter Mistakes

Confusing 'A-Number' with similar immigration terms; misinterpreting the significance of the number; using colloquial terms instead of the canonical term.

← Back to search results
Term Last Updated: Jan 05, 2026 at 5:11 AM