Form N-600, Application for Certificate of Citizenship

Form N-600, Application for Certificate of Citizenship

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What is Form N-600, Application for Certificate of Citizenship?

Form N-600, Application for Certificate of Citizenship, is an immigration form used by individuals who obtained U.S. citizenship through U.S. citizen parent(s) either at birth or before they turned 18 years of age.

This form is filed with USCIS to request the issuance of a Certificate of Citizenship.

Here are some key points regarding Form N-600:

  • Eligibility: You may be eligible to file Form N-600 if you were born abroad and are claiming U.S. citizenship through your biological parent(s), who are U.S. citizen(s), or if you became a U.S. citizen after birth but before you turned 18 through the naturalization of your parent.
  • Purpose: The purpose of this form is to request a Certificate of Citizenship, which serves as proof of your U.S. citizenship status.
  • Documentation: The required documentation may include proof of parent’s U.S. citizenship and evidence of the parent-child relationship.
  • Filing Fee: There is a $1,170 filing fee associated with Form N-600.
  • Processing Time: It can take anywhere from 5 months to 24 months for your N-600 application to be processed by USCIS field office
  • Filing Deadline: You can file Form N-600 before you turn 18 years of age

Who can file Form N-600?

The following categories of applicants are eligible to file Form N-600, Application for Certificate of Citizenship:

  • Born Outside the U.S. to the U.S. Citizen Parent(s): If you were born outside the U.S. and all the following requirements are met at your birth:
    • You are a child of U.S. citizen parent(s);
    • Your U.S. citizen parent meets certain residence or physical presence requirements in the U.S. or an outlying possession before your birth, and
    • You meet all other applicable requirements under either INA 301 or INA 309.

Citizenship laws have changed over the years, so you can see different eligibility requirements. Find out more about U.S. citizenship at birth on the USCIS website.

  • Obtaining Citizenship Through Parents: If you were born outside the U.S., you automatically obtain U.S. citizenship when all of the following requirements have been met on or after February 27, 2001:
      • You are a child of a parent who is a U.S. citizen by birth or through naturalization (including an adoptive parent);
      • You are under 18 years of age;
      • You are a lawful permanent resident (green card holder); and
      • You are residing in the U.S. in the legal and physical custody of the U.S. citizen parent.
  • Adoption by U.S. Citizens:
    • If you were adopted by U.S. citizen parent(s), you may be eligible to file Form N-600 to obtain a Certificate of Citizenship.

Who cannot file Form N-600?

You cannot file Form N-600 if the following conditions apply to you:

  • You do not have at least one biological or adoptive U.S. citizen parent;
  • You are the child of U.S. citizen parents who regularly reside outside the U.S. Learn if you are eligible to file Form N-600K instead;
  • You were born out-of-wedlock, were not legitimated before you turned 16 years of age, if you are claiming US citizenship through your U.S. citizen father. Note: If you were born outside the U.S. to a US citizen mother or your mother became a naturalized U.S. citizen before your 18th birthday, you might be eligible to file Form N-600;
  • You want to replace a lost or stolen U.S. citizenship certificate. File Form N-565 to request a replacement;
  • You filed Form N-600 in the past and it was denied.

How to file Form N-600 online

The process of filing Form N-600 online involves the following steps:

Step 1. Create an online USCIS account if you do not have one

Step 2. From the “My account” dropdown menu, choose “File a form online”. Choose “Form N-600”

Step 3. Carefully answer all of the questions and upload scanned copies of the documents requested.

Step 4. Review your answers, make sure to upload all the requested documents and submit the application. You will pay the filing fee online using a credit card.

Step 5. Download the Form N-600 receipt notice from “Your cases” – “Documents” – “USCIS Notices”. Hard copy notice will arrive by mail within a couple of weeks.

Step 6. Wait for USCIS processing: you can track the status of your case in your online account. If USCIS issues a Request for Evidence (RFE), you can upload your request to RFE directly to your online account.

Step 7. If approved, you will have access to approval notice in your online account. The Certificate of Citizenship will arrive by mail. 

How to file Form N-600 by mail?

The process of filing Form N-600 by mail involves the following steps:

Step 1. Download the Form N-600:

  • Obtain the latest edition of Form N-600, Application for Certificate of Citizenship, from the USCIS website.
  • USCIS will reject any outdated editions of Form N-600

Step 2. Gather Supporting Documents:

  • Collect all the necessary supporting documents (see the checklist below). Unless directed otherwise, submit only photocopies of the documents

Step 3. Complete the Form:

  • Fill out the form accurately and completely. Sign and date the form in ink.
  • USCIS does not accept computer-generated or stamped signatures
  • Fill out and submit Form G-1145 to receive an electronic notification containing USCIS receipt number via text message or email

Step 4. Filing fee payment:

  • Check the USCIS website for the most current filing fee
  • Acceptable forms of payment include: money order, personal check, cashier’s check or credit card payment (for credit card payments, fill out Form G-1450)
  • If paying by check, the check must be payable to the U.S. Department of Homeland Security

Step 5. Mail the Application:

  • Once the form is completed and the supporting documents are gathered, filing fee payment is included, mail the entire package to the correct filing address (“Where to File” section).
  • It’s recommended to mail the application via express mail with a tracking number

Step 6. Check Application Status:

  • USCIS will mail the receipt notice 2-3 weeks after the submission date
  • You can track the status of your application online by entering the N-600 receipt number 

Step 7. Wait for Processing:

  • USCIS will process your application, and if additional information or document is needed, an RFE notice will be mailed to you. Once processed, you will receive a decision on your application by mail.

Form N-600 filing fee

The filing fee for Form N-600, Application for Certificate of Citizenship is $1,170

USCIS fees are subject to change, check the latest Form N-600 filing fee on the USCIS website.

Form N-600 checklist of required documents

The following documents must be submitted with your Form N-600 application:


Examples of acceptable documents

Completed and signed Form N-600
  • Download the most recent edition of Form N-600 on USCIS website
  • Answer all questions
  • Sign and date the form
  • Unsigned, undated or outdated editions of Form N-600 will be rejected by USCIS
Filing fee of $1,170
  • If you file the application online, the filing fee will be paid online using a credit card
  • If submitting application by mail, you can pay this fee with a money order, personal check, cashier’s check or pay by credit card using Form G-1450, Authorization for Credit Card Transactions
  • If you pay by check, it must be payable to the U.S. Department of Homeland Security
U.S. passport-style photographs
Birth certificate
  • Applicant’s long-form birth certificate that lists both parents’ names
Parent’s birth certificate
  • The parent’s birth certificate (the parent through whom you are claiming U.S. citizenship)
Parent’s marriage certificate
  • U.S. citizen parent’s marriage certificate (the parent through whom you are claiming U.S. citizenship)
Parent’s marriage termination documents
  • U.S. citizen parent’s marriage termination documents (the parent through whom you are claiming U.S. citizenship):
    • Certified divorce decree;
    • Annulment decree;
    • Death certificate
Parent’s proof of U.S. citizenship Provide at least one of the following document confirming your parent’s U.S. citizenship status:

  • U.S. birth certificate (if parent was born in the U.S.);
  • Certificate of Naturalization (Form N-550);
  • Certificate of Citizenship (Form N-560);
  • Consular Report of Birth Abroad (Form DS-240); or
  • Unexpired U.S. passport (biographic page)
Proof of legitimation Required ONLY if you were born out-of-wedlock to a U.S. citizen father:

  • Legitimation documentation from the country or state in which you legitimated.
  • Learn more on USCIS website
Proof of legal and physical custody  Required ONLY if your US citizen parents divorced/separated, you were adopted or legitimated:

  • Court order(s)
  • Proof of residing with the parent
  • Proof that US citizen parents is engaged in daily care of the child
Proof of child’s lawful permanent residence Required ONLY if you are claiming US citizenship after birth:

  • Child’s green card (front and back);
  • Child’s stamped U.S. immigrant visa
Parent’s proof of physical residence/presence in the U.S.
  • School records
  • Employment records (pay stubs, employment agreement)
  • Lease agreement(s)
  • Monthly utility bills
  • U.S. military records
  • Affidavits from churches, unions, or other U.S. organizations
  • U.S. Social Security quarterly reports
  • Affidavits from landlords, employers, neighbors, friends and family members who have personal knowledge of U.S. citizen parent’s residence and physical presence in the U.S.
Final adoption decree Required ONLY if the child was adopted:

  • Copy of full final adoption decree
Proof of legal name change If the child has changed name(s):

  • Court order
Secondary evidence ONLY if the primary evidence is unavailable:

  • Written explanation outlining why the primary evidence is unavailable and your attempts to obtain it and secondary evidence, such as:
    • Baptismal certificate
    • School record(s)
    • Census record(s)
    • Sworn affidavits of individuals who have personal knowledge of the event(s)
English translation
  • If any supporting documents are in a foreign language, provide certified English translation.
  • Attach the photocopy of the original document in foreign language

Form N-600 processing time

Processing times of Form N-600 vary depending on several factors, including the workload at the specific USCIS field office processing the application and the complexity of the case:

USCIS field office N-600 average processing time
Agana GU 24 months
Albany NY 17.5 months 
Albuquerque NM 6.5 months
Anchorage AK 6.5 months
Atlanta GA 9.5 months
Baltimore MD 16.5 months
Boise ID 19 months
Boston MA 19.5 months
Brooklyn NY 14 months
Buffalo NY 12 months
Burlington VT 17 months
Charleston SC 14.5 months
Charlotte Amalie VI 12.5 months
Charlotte NC 7 months
Chicago IL 7 months
Christiansted VI 19.5 months
Cincinnati OH 5 months
Cleveland OH 5.5 months
Columbus OH 6.5 months
Dallas TX 7 months
Denver CO 20.5 months
Des Moines IA 5.5 months
Detroit MI 5.5 months
El Paso TX 16.5 months
Fort Myers FL 11.5 months
Fort Smith AR 7 months
Fresno CA 6 months
Greer SC 5.5 months
Harlingen TX 18 months
Hartford CT 9 months
Helena MT 6.5 months
Hialeah FL 7.5 months
Honolulu HI 14 months
Houston TX 7 months
Imperial CA 10 months
Indianapolis IN 7 months 
Jacksonville FL 7.5 months
Kansas City MO 14 months 
Kendall FL 14.5 months
Las Vegas NV 17 months
Lawrence MA 10.5 months
Long Island NY 9.5 months
Los Angeles CA 6 months
Los Angeles County CA 6.5 months 
Louisville KY 6.5 months
Manchester NH 7 months
Memphis, Tennessee 8.5 months
Miami FL 15.5 months
Milwaukee WI 15 months 
Minneapolis-St. Paul MN 27.5 months
Montgomery AL 33.5 months
Mount Laurel NJ 13.5 months
Nashville, Tennessee 15 months 
Newark NJ 14.5 months
New Orleans LA 18 months
New York City NY 8.5 months
Norfolk VA 23 months
Oakland Park FL 17 months
Oklahoma City OK 7.5 months
Omaha NE 22 months
Orlando FL 22 months
Philadelphia PA 24.5 months
Phoenix AZ 17 months
Pittsburgh PA 5.5 months
Portland ME 10 months
Portland OR 20.5 months
Providence RI 5.5 months
Queens NY 20 months
Raleigh NC 6 months
Reno NV 27 months
Sacramento CA 12 months
Saint Louis MO 6 months
Salt Lake City UT 10.5 months
San Antonio TX 9.5 months
San Bernardino CA 7 months
San Diego CA 14 months
San Fernando Valley CA 4 months
San Francisco CA 13.5 months
San Jose CA 8 months
San Juan PR 8 months
Santa Ana CA 15.5 months
Seattle WA 21 months
Spokane WA 23 months
Tampa FL 10 months
Tucson AZ 15.5 months
Washington DC 15.5 months
West Palm Beach FL 6.5 months
Wichita KS 23 months
Yakima WA 21 months

To check the most current processing times for Form N-600:

  • Visit the USCIS website at
  • Choose “Form N-600” 
  • Choose your USCIS field office. You can find your USCIS field office by entering your physical address ZIP code: (scroll down to the bottom of page, “Field Office Locator”)

Keep in mind that processing times are general estimates, and individual cases may take less or more time to complete.

Additionally, USCIS may issue Requests for Evidence (RFEs) during the processing of your application, which can add to the overall processing time. 

It’s crucial to respond promptly and thoroughly if you receive an RFE to avoid delays.

If your case is outside the normal processing time, you place an Outside Normal Processing Time e-Request or request assistance from your local congressman’s office.

Related Links:

U.S. Citizenship Application Guide – N-400

Form N-565, Application for Replacement Naturalization/Citizenship Document

N-600K, Application for Citizenship and Issuance of Certificate Under Section 322