It takes a bit to understand and make sure you do the proper forms but the USPS will forward all your 1st and 2nd class mail.
www.USPS.com as with I think all mail services there is a 1 week to 10 lag lag between forwarding addresses..but you can make it work. You can now do all of this on line. If you are long timing check out the USPS before you spend $ you may not have to spend.. I have to say the the mail thing is the hardest part of the long timing thing..You can cut way down on paper mail by requesting "paperless billing" via E-mail We have no paper bills coming to the house now. You can do Income tax on line and pay proptery tax on line.