Hope this helps.............
Once upon a time, after my Army days, I was a postal worker.
First class mail such as bills, drivers license letters will be forwarded to your new address.
Second class mail aka periodicals such as most magazine subscriptions will be forwarded...if you are lucky..to your new address.
Third class mail aka standard A mail and bulk rate mail will not be forwarded.
Fourth class mail aka standard B and/or "junk mail" will not be forwarded.
The fowarding system often gets delayed and sometimes you may not receive.
It is recommended to inform all important places that mail items to you about your new address prior to moving.
Also, you will need to fill out the forwarding new address card which goes to the local distribution plant, which if you live in a large city, will not be your "local" post office.
I would also recommend you inform your regular mail carrier and also make a visit to the postal station in your particular zipcode a day or so before you want the mail stopped and if available speak with the supervisor. Hand them a note to be placed at that routes case (where your mail is sorted every morning).
If your carrier is a slacker and misses alot of work time, many subs probably work the route and wont know you have moved and some mail may slip through the initial forwarding system.
This sounds like alot, but if you want it done thoroughly, I recommend you follow these procedures.
Also, when at your new address, when you receive other folks' mail, be sure you cross out the name and most importantly cross out the barcode on the letter for that is how most mail is sorted. Also write CFS (central fowarding system) on the letter. That way your wont continue receiving others' mail and that person will get their mail or it will be returned to the original sender if no fowarding was provided.
The postal service has never been known for its efficiency, but much better than many years ago. Often times problems with mail delivery are caused because folks dont properly address and/or forwarding procedures.
:shoota::uzi::shoot3: