yes it does have a limit. as united postal service is the federal service and government job so it does imply age limitations.
You can find more information regarding United Postal Service jobs at http://www.usps.com/employment/welcome.htm.
I think that postal service jobs are classified as civil service jobs because those jobs benefit society as a whole. Without postal service jobs or current state would be worse. Postal service jobs are very much needed and beneficial
A valid driver's license, background check, and drug testing are all required for a job driving with the United Postal Service (UPS). A commercial driver's license is not required.
The United States Postal Service advertises its openings on its site. There are also lots of private shipping and courier companies that have jobs available.
To find information about Christmas postal jobs you can look on the web at the postal service close to you or the closest one nearest you that you would want to apply for.
Postal service job requirements are the same throughout the U.S. A GED, passing score on the postal exam and a clean criminal recored are the main qualifications.
You can browse jobs with USPS on their career portal located here: http://www.usps.com/employment/welcome.htm. This website includes job listings as well as specifications, such as benefits.
There are many facets of the postal service that hire unskilled labor, you can do things from delivery to janitorial. Just visit the career section of the postal service website and search the available job sections for these openings.
US Postal jobs may be a bit harder to get than other jobs in that you have to pass a series of tests prior to gaining employment. You can find out more, and see what jobs are currently available at the USPS' website: www.usps.com/employment/welcome.htm
To find careers with the postal service you can check http://about.usps.com/careers/welcome.htm. You can also searching http://www.indeed.com/jobs?q=Federal+Postal&l=
Many different jobs can be available through the US postal service. There are people who work in the building sorting through the mail to make sure they can get to the right places. People are also at the stations weighing in packages and getting them ready to send out for shipments.
Civil service jobs can be found on Monster and Indeed. The most popular is for postal workers. This is a well paying field but the competition is high. Most other civil service jobs require a college degree in the particular field.