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What is the “A#” on the DS-260?

The "A#" field on the DS-260 is the Alien Registration Number, essential for linking previous immigration information in the U.S. visa process.

Written by

Victoria Harper

Editor-in-Chief

Updated on March 1, 2026
2 min read
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When filling out the DS-260, which is the immigrant visa application form used by the United States Department of State, you may encounter the field labeled “A#”. This field refers to the “Alien Registration Number” (also known as “A#”), a unique identifier used by the U.S. government to track an individual’s immigration history.

This number, when already assigned, is important to consolidate your record with immigration authorities and to maintain an accurate history of your movements and processes within the U.S. system. If you have had any prior immigration proceedings or have received benefits, it is crucial to fill out this field correctly, as it links your information to previous records.

If you do not have this number-which is common for those applying for certain types of visas for the first time-this section can usually be left blank or indicated according to the specific instructions in the form directions. Always remember that following U.S. immigration laws is essential, and it is imperative to rely on trusted sources and, if necessary, consult specialized professionals to stay updated and avoid falling victim to scams or false promises.

Research through official channels, and if you find it necessary, seek assistance from companies or professionals specialized in the area to ensure that every step of your process is being properly completed. Each stage of the immigration process requires attention to detail, and correctly filling out the DS-260 is crucial to the progress of your case. Therefore, always check the official instructions and stay within the guidelines established by the U.S. government.

Learn more about EB-3 Visa

Category
EB-3 Green Card (3rd priority)
PERM
Required
Requirement
Skilled worker
Processing
1-10 years
All about EB-3 Visa
Victoria Harper

Editor-in-Chief

Meet the author

Leading journalism and editorial content at Visto n’ Visa, Victoria helps make immigration topics clear, trustworthy, and easy to understand. Her focus is on delivering useful, human, and relevant content for people exploring new paths abroad.

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What is the “A#” on the DS-260?

The "A#" field on the DS-260 is the Alien Registration Number, essential for linking previous immigration information in the U.S. visa process.

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