At the Service Center: You must call USCIS customer service at 1-800-375-5283 to report the change of address and get the address on the pending application/petition changed. Local Office: Send a letter to a USCIS field office Sample letter Additionally, if you are a non-U.S. citizen, you must file Form AR-11, as described above.
https://www.immihelp.com/reporting-change-of-address-to-uscis/



