Address, phone & hours
MT. Vernon Social Security Office
105 S 6th St, Federal Building Room 103
Mount Vernon, IL
62864
Mon–Fri · 9:00 AM-4:00 PM
View on SSA.govThe MT. Vernon office serves 25,000 total beneficiaries across 38 ZIP codes in Illinois. Of these, 3,160 individuals receive SSDI, representing 13% of the office's total caseload. Monthly benefit payouts for this location reach $41 million. Preparing for your visit by organizing your medical and work history is essential to avoid delays. An attorney can help you ensure your application is complete before it reaches the state disability determination office.
Your local SSA service center
As your local Social Security service center, the MT. Vernon office manages a significant caseload for the region. With 3,160 disabled-worker beneficiaries, the office supports a population that relies on consistent, accurate processing of claims. The office oversees a total of $41 million in monthly benefits, reflecting its role in the financial stability of 38 ZIP codes. While the SSDI share of 13% is typical for the region, every application requires careful attention to detail to ensure success.
You can visit this office to file an initial SSDI application, drop off required documentation, or verify your identity. Please note that this office does not make the final decision on your disability claim, as that responsibility lies with the state disability determination services. Additionally, this location does not conduct hearings, which are handled by a separate office of hearings operations. We recommend scheduling an appointment to minimize your wait time, though some services remain available for walk-ins.
Who this office serves
Beneficiaries in this service area receive an estimated $40,652k in Social Security benefits each month.
Before you visit
Bring a valid government-issued photo ID and a detailed work history covering the last 15 years. You should also provide a comprehensive list of your treating physicians with their contact information, along with your most recent medical records and a current list of medications. If you have received any prior denial notices, bring those documents as well. A typical appointment at this office lasts between 45 and 90 minutes, so plan your schedule accordingly.
Avoid submitting an incomplete work history, as this is a frequent cause of processing delays. Many people also fail to provide recent medical records or neglect to mention secondary mental-health conditions that may support your claim. Never sign any Social Security forms without reading them thoroughly to ensure all information is accurate. Taking the time to organize your records before your visit can prevent unnecessary back-and-forth with the agency.
Working while you apply? Check how much you can earn on SSDI this year — SSA's earnings limit is the first thing it looks at.
Was your claim denied? Decode the letter — what the sentence means, what to file, and by when.
Should you bring an attorney?
Applying for disability benefits is a complex process where the evidence you provide today dictates the strength of your appeal later. Most people who apply without professional guidance face significant hurdles if their initial application is denied. An attorney can help you understand your options and ensure your application is as strong as possible from the start.
Approval rates change with a lawyer
Source: U.S. Government Accountability Office, GAO-18-37. The 3× gap is a population-wide average across all judges; individual outcomes vary.
If your SSDI claim moves to a hearing
About two-thirds of initial SSDI applications nationwide are denied. If yours is, your case moves to a hearing before an Administrative Law Judge at one of the regional hearing offices that handles appeals from MT. Vernon. The MT. Vernon field office holds your file at every appeal stage, but the substantive decisions happen further up the chain.
Frequently asked questions
While you can visit the MT. Vernon office for certain services, scheduling an appointment is strongly recommended to ensure you are seen efficiently. You can contact this office using the phone button below to confirm if your specific needs require a scheduled time.
Yes, you can start your application online through the official Social Security website. However, visiting the MT. Vernon office is often necessary for verifying original documents or resolving specific identity issues related to your claim.
You should bring your photo ID, a 15-year work history, a list of your doctors with their addresses, and your recent medical records. Having these items ready helps the staff at MT. Vernon process your request more effectively.
You are not required to have a lawyer for your initial appointment, but many people find that professional guidance helps them avoid common errors. An attorney can help you organize your evidence and prepare for the rigorous requirements of the disability determination process.



