The Employee Benefits Security Administration manages 401K schemes implement by the employer with the contribution of employee of 50 year or more age gives an additional contribution to IRS or any plan limit is $5000. You can cross check your contribution amount in HRD department of the company.
Incase of employee under age group of 50, the contribution limit of 401k plans is $15,000. Every year the contribution limit gets change due to change in inflation. In addition, high salaried workers are normally restricted and put off due to IRS checking. The highest amount of employee contribution is $15,000. If you are 50, you need to contribute an additional $5,000, that is $20,000.
The highest value can be added to a 401K plan is fixed up on yearly basis based on the inflation. You might permit contributions besides your yearly limit, incase you are 50 or older. There are various limits apply under 401K plans in adding up to the general payment limit. These limits, salary, and 401K plans might offerings to a smaller amount limit.
The 401K are very complex plans; you can contact your administrator to understand your plan in details.