Usps form 3533 fillable-2026

1. Click ‘Get Form’ to open the USPS Form 3533 fillable in our editor.
2. Begin with Part I, where you will enter your personal information. Fill in your first name, initial, and last name in the designated fields. Next, provide your Social Security Number (SSN) or Individual Taxpayer Identification Number (ITIN).
3. If applicable, complete the spouse's/RDP's information by entering their first name, initial, last name, and SSN or ITIN.
4. In section 4a and 4b, input the old addresses for both you and your spouse/RDP. Ensure to include any apartment or suite numbers.
5. Proceed to section 5 to enter your new address details. Again, include all relevant information such as street number, city, state, and ZIP code.
6. If changing a business address, move to Part II. Check all relevant boxes that apply to your business changes and fill in the required fields for old and new business addresses.
7. Finally, sign in Part III where indicated. Include your daytime telephone number for contact purposes.

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