USPS.com or at your local post office branch.
Start by getting a copy of your credit report. If you are trying to pay off debts, you might also want to make sure that if you move, you notify the post office of your change of address, so that any future bills will be mailed to you.
http://www.usps.com is where you can file your change of address on line.
Most post office address change booklets include a coupon of the sort.
YOUR LOCAL LAW ENFORCEMENT AGENCY. POLICE DEPARTMENT OR SHERIFF'S OFFICE
To prepare for moving to another state, you should research the new area, find a place to live, notify important parties of your address change, pack your belongings, and arrange for transportation.
You use your address.
unemployment office
"old address"
old address
You can find change of address post cards easily by going to your local post office and asking them. They will also help you send the cards once you've written all the information on them. You'll need only the card, the address, a pen and a stamp to send a change of address card.
Experian have address all over the world. On the link below you can find their office for your country
If one is looking for the Harris County Tax Office in Houston Address, it is not difficult to find. The address is: Harris County Tax Office, P.O. Box 4663, Houston, Texas, 77210-4663.