Mark the envelope and the cover letter with the type of submission. For example, Original Submission, Application to Register Permanent Residence or Adjust Status (Form I-485). Mark the envelope and the cover letter with the form number.
Where must I file Form I-90? You must mail your paper Form I-90, Application to Replace Permanent Resident Card, including any initial evidence and supporting documentation, to the designated lockbox facility in Phoenix, Arizona. The Phoenix Lockbox address is: USCIS, P.O. Box 21262, Phoenix, AZ 85036.