• Form N-600K (211 KB PDF)
• Instructions for Form N-600K (209 KB PDF)
• Form G-1145, E-Notification of Application/Petition Acceptance (239 KB PDF)

Purpose of Form

For a child who regularly resides in a foreign country to claim U.S. citizenship based on the child’s parents.

Number of Pages

Form 8; Instructions 9.

Edition Date

05/03/13. Previous editions not accepted.

Where to File

USCIS P.O. Box 20100 Phoenix, AZ 85036

To submit an N-600K via express mail or courier deliveries, use the following address:

USCIS Attn: Form N-600K 1820 E. Skyharbor Circle S Suite 100 Phoenix, AZ 85034

E-Notification:  If you are filing your Form N-600K at one of the USCIS Lockbox facilities, you may elect to receive an email and/or text message notifying you that your application has been accepted. You must complete Form G-1145, E-Notification of Application/Petition Acceptance, and clip it to the first page of your application in order to receive the notification. To download a copy of Form G-1145, including the instructions, click on the link at the top of the page.

IMPORTANT: If you are filing an N-600K application for a child of a member of the U.S. armed forces stationed overseas, use the following address:

Nebraska Service Center P.O. Box 87426 Lincoln, NE 68501-7426

If you are filing an N-600K application via express mail or courier delivery for a child of a member of the U.S. armed forces stationed overseas, use the following address:

Nebraska Service Center 850 S Street Lincoln, NE 68508

Filing Fee

$600. ($550 if filing for an adopted child, see form instructions for additional information.)

Special Instructions

When Completing Form N-600K: Avoid These Mistakes to Prevent Rejection

Part 2, Information About Your Eligibility:

• Check only ONE box in Part 2. If you check multiple boxes in Part 2, USCIS will reject your Form N-600K and return it to you for correction and re-filing.

Part 8, Signature

• Part 8 must be signed. If there is no signature, USCIS will reject your form N-600K and return it to you for correction and re-filing. If you are a parent, grandparent or legal guardian completing Form N-600K on behalf of a child who is under 18 years of age, then you must sign in Part 8.
• The person who completes Form N-600K for an applicant is required to complete and sign the designated section in Part 9, “Signature of person who prepared this form for you.”

Photo requirements: See the Form N-600K instructions for detailed information.

Notes on Filing Fees:

• Checks should be made payable to U.S. Department of Homeland Security.
• Adopted Children: The fee for Form N-600K is $600, except for U.S. citizen parents requesting a Certificate of Citizenship for an adopted child. For U.S. citizen parents filing on behalf of an adopted minor child under Section 322 of the INA, the fee is $550.

Attorney or representative: You may be represented, at no expense to the U.S. government, by an attorney or other duly authorized representative. Your representative must submit Form G-28, Notice of Entry or Appearance as Attorney or Representative, with your Form N-600K. Your representative may also submit Form G-28 at the time of your interview.