FCC Form 499 Filer Database Data Source: FCC Forms 499 filed with the Universal Service Administrative Company (USAC) as of Mar 23, 2026 For more information on filing the Form 499 or to correct previously filed information, visit the USAC website or contact USAC at 888-641-8722
How to Fix HTTP 499 Status Code Client Closed Request The HTTP 499 status code, known as “Client Closed Request,” is an error that occurs when a client—typically a web browser or API client—closes the connection before the server finishes processing the request
Forms to File - Universal Service Administrative Company The FCC Forms 499 must be received by USAC on or before the due dates to be considered filed on time USAC is required to assess late filing penalties when a form is not filed within 30 days after the due date
What Does the 499 HTTP Error Code Mean? (And How to Fix It) The 499 HTTP code is not a particularly common error but it can prevent you from accessing your website The good news is that the error typically has more to do with the user rather than the server, which makes it easier to troubleshoot
HTTP 499 Client Closed Request: Definition Troubleshooting A 499 status code — officially logged as “499 Client Closed Request” — is a non-standard HTTP code used by the nginx web server It indicates that the client closed the connection before the server could send a response
Possible reason for NGINX 499 error codes - Stack Overflow HTTP 499 in Nginx means that the client closed the connection before the server answered the request In my experience is usually caused by client side timeout As I know it's an Nginx specific error code Sign up to request clarification or add additional context in comments