Understanding the processing times at the USCIS Oklahoma City OK Field Office is crucial for individuals seeking US immigration. In this article, we’ll provide an overview of the field office, its role in the immigration process, and the factors that affect processing times. Additionally, we’ll discuss how you can navigate the process and ensure your application is processed as quickly as possible.

All the processing data in this article are directly from the USCIS Case Processing Times website. Every month, we manually check the data to ensure accuracy.


The Oklahoma City OK Field Office handles a variety of immigration forms, including I-485 employment-based and family-based adjustment applications, N-400 applications for naturalization, and N-600 applications for recognition of US citizenship.

Understanding the processing times of these forms at the Oklahoma City OK Field Office is crucial since it helps manage expectations and allows applicants to prepare accordingly.

The Process at the Oklahoma City OK Field Office

When you submit an immigration application, it goes through several stages, including:

  1. Receipt – USCIS receives your application and issues a receipt notice.
  2. Initial review – USCIS reviews your application, ensuring all required information and documentation are included.
  3. Appointment scheduling – USCIS schedules appointments for biometrics or interviews, as necessary.
  4. Decision making – USCIS adjudicates your application and makes a final decision.

Throughout the process, it’s crucial to stay informed and comply with any requests from USCIS to avoid delays. Helpful resources, such as the Form I-485 instructions and the annotated N-400 form can guide you during application preparation.

Average Processing Times

As of the data provided, the average processing times for forms at the Oklahoma City OK Field Office are:

FormCategoryOffice80% of cases are completed within
I-485Employment-based adjustment applicationsOklahoma City OK Field Office16.5 Months
I-485Family-based adjustment applicationsOklahoma City OK Field Office15.5 Months
N-400Application for NaturalizationOklahoma City OK Field Office8.5 Months
N-600Application for recognition of U.S. citizenshipOklahoma City OK Field Office8.5 Months

Keep in mind that these are average processing times, and individual cases may vary.

Factors Influencing Processing Times

Several factors can affect processing times at the Oklahoma City OK Field Office, such as:

  • Case complexity and completeness
  • Changes in immigration laws and regulations
  • Workload and staffing at the field office
  • Security checks and background investigations

These factors may increase or decrease processing times depending on individual circumstances.

How to Navigate the Process

To ensure smooth processing at the Oklahoma City OK Field Office, consider the following tips:

  • Be proactive: Regularly check the USCIS Case Processing Times to stay informed on potential changes or delays.
  • Respond promptly: If USCIS requests additional information or documents, respond as quickly as possible to avoid delays.
  • Follow instructions: Read and follow the form instructions and any resource guides, such as the Form N-600 CitizenPath guide, to ensure your application is complete and accurate.

In some cases, mandamus actions can also be used to push USCIS to make decisions on delayed cases, but it’s essential to consult with an immigration attorney before pursuing this route.


Understanding and navigating the USCIS Oklahoma City OK Field Office’s processing times can help applicants manage their expectations and efficiently move through the process. By staying informed, properly preparing your application, and following best practices, you can minimize delays and expedite your journey towards US immigration.

We encourage our readers to share their experiences, ask further questions, or seek advice in the comments below. Don’t forget to explore the various resources provided, such as the expedited naturalization application materials and information to improve your understanding of the process.

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