Does changing my address with USPS update every government agency?
No. Mail forwarding and an agency's official address record are different. The IRS says USPS information may update its records in some cases, but you should still notify the IRS directly. Other agencies maintain separate records.
Do driver license and vehicle deadlines stay the same across the country?
No. Rules and deadlines are set by each state or territory. Use USAGov’s state motor vehicle directory to reach the correct office.
Do non-U.S. citizens need to report an address change to USCIS?
Many noncitizens must report a change of address, and USCIS provides an online process. The rule has exceptions, so read the current USCIS instructions for your immigration category and pending cases.
Should I update Social Security after moving?
Update your contact information when you receive Social Security benefits or use services that depend on the agency's record. Available methods depend on the type of benefit and address. See SSA’s official contact-information page.