A relocating household can submit a USPS change of address up to 90 days before the move and should notify important senders at least two weeks before moving. Use only USPS.com or a Post Office, complete identity verification, retain the confirmation code and update banks, government agencies, insurers and the closing team directly because some endorsed mail will not be forwarded.
This guide is educational and locally framed for an Oklahoma City metro housing decision. It does not replace legal, tax, medical, lending, insurance, military, environmental or agency advice. Verify the live rule and the exact property or household record before committing money or changing a deadline.
Choose the filing date from the possession plan
USPS accepts a change request up to 90 days before its effective date and up to 30 days after the move. Use the date mail should stop at the old address, not simply the closing date if possession or occupancy differs.
If the move is temporary, choose the temporary option and document the end date. If household members with different last names are moving, USPS may require separate individual requests.
Use the official channel and complete identity proofing
File at USPS.com or obtain PS Form 3575 through a Post Office. USPS warns that third-party sites charge much more and are not authorized to submit the change under current authentication procedures.
An online request uses card-based identity authentication; a paper request may require later online or in-person verification. Keep the receipt and never send identity documents through an unverified relocation vendor.
Retain both confirmation records
USPS sends validation to the old address and a welcome or customer-notification letter to the new address. The confirmation code is needed for easy changes or cancellation.
Have a trusted and authorized plan for both addresses during the transition. If a validation notice arrives when no move was requested, use USPS’s dispute path promptly.
Update critical senders directly
Forwarding is a bridge, not a complete address change. USPS explains that some financial, government or other mail with return endorsements may not forward.
Update the mortgage servicer, insurer, county records, driver’s license, voter registration, Social Security or VA records, employer and financial accounts through each official channel. Do not assume the postal order changes those accounts.
Allow for the forwarding gap
USPS says mail may take seven to ten postal business days to begin reaching the new address, and forwarded mail has no guaranteed delivery time. Keep closing wires, tax notices and insurance cancellation notices out of that gap through direct electronic or verified address updates.
Do not route private mail to an occupied property before the household has lawful access. Confirm the mailbox, unit number and delivery point with the responsible Post Office when the address is new or unusual.
Close the move with an address audit
After possession, compare the USPS confirmation with delivered mail and the address stored by every critical sender. Correct apartment, directional and ZIP details immediately.
Keep a dated checklist for 30, 60 and 90 days. This makes the relocation answer practical without claiming that forwarding proves residency, municipal jurisdiction or legal domicile.
Primary sources reviewed on 2026-09-18: Change of Address: The Basics, How to change your address. Recheck the current page, form or agency record if the decision occurs later.
Related OKC Metro Group guidance: Relocation resources; a related OKC decision guide; talk with OKC Metro Group about the property timeline.
