India, Sept. 26 -- Indians as well as other foreign nationals living in the US who move to a new address must update their information with the US Citizenship and Immigration Services (USCIS) separately from the US Postal Service (USPS), the agency has warned.

Changing an address with USPS does not update USCIS records, and USPS will not forward mail sent by USCIS. People who fail to update their address with the immigration agency could miss important notices, face delays in their cases or fail to receive immigration documents.

USCIS said people who have filed an immigration benefit request must notify the agency of any address change as soon as possible to ensure they receive correspondence and benefits without delay.

Most noncitizen...