How Do I Check On the Status of My Case?

From Jennifer McFadyen, former About.com Guide

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As you navigate the immigration process, make sure you continue to check your immigration case status for updates. You can do this many ways, including online, by e-mail or phone, or even in person. Here are the methods you can go about checking your immigration case status:

Online
If you have an application receipt number, you can check your case status by entering your 13-character receipt number on the USCIS My Case Status search page.

E-Mail
Create an account at USCIS My Case Status and sign up for automatic case status updates via e-mail.

Text Message
When you create an account at My Case Status, you can sign up to receive a text message notifying you when a case status update has occurred. (A U.S. cell phone number is required.)

Phone
Call the National Customer Service Center at 1-800-375-5283. Follow the voice prompts and have your application receipt number ready.

Mail
If you filed an application with your local USCIS Field Office, you can write directly to that office for an update. In your letter, be sure to include the following:

Your name and address, and if different, your name as it appears on your application
Your A-number (Alien number)
Your date of birth
The date and place your application was filed
Your application receipt number
A copy of the most recent notice sent to you by the USCIS, if you have received one
The date and office where you were fingerprinted, as well as the location of your interview, if it has taken place or been assigned yet.

In Person
Make an InfoPass appointment and bring the following information with you: