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.
Your letter should be addressed to the USCIS office that is responsible for your case. You can find the address on the USCIS website or by contacting the USCIS national customer service center. You should also include a clear and professional salutation, such as “Dear USCIS Officer” or “To Whom It May Concern.”
Generally, I don't want people corresponding with USCIS, unless they've been asked to do so. It's generally not a good idea to just out of the blue, write USCIS a letter. So our advice generally is to not send USCIS a letter.
Submit a secure message through your USCIS online account. Submit an inquiry through the Ask Emma chat feature. Call the USCIS Contact Center at 1-800-375-5283. See our USCIS Contact Center Tip Sheet on how to best reach out to the USCIS Contact Center.
If you have not received your notice, you may submit a case inquiry with USCIS in the “did not receive notice by mail” category. For example, if you did not receive your approval notice and believe it may have been lost in the mail, you may submit a case inquiry as explained above if you know your receipt number.
Online Questions: When your application is received by a USCIS Lockbox facility or a USCIS Service Center, we will mail you a receipt notice. The receipt notice will have all of the important information you need about your case. With your receipt number, you can check the status of your case on .
Make Your Request Online Our online FOIA request service is the fastest, most convenient way to request and receive records from USCIS.
Click did not receive notice by mail. Input all of the requested information. Select requested by applicant/petitioner. Finally you will get a confirmation page with a case number. Please copy that in case you need to follow-up with a call to USCIS which can be done at this number 1-800-375-5283.
You can request a copy of the file by submitting a FOIA, after which you can obtain the I-129 forms you submitted to the USCIS. The documents will be stamped with the approval details., giving you some certainty regarding the status and the length of the status.