Access high-res assets through the USPS Brand Connect portal. You must apply to use the "Sonic Eagle" symbol, though fees are waived if simply indicating a shipping method.
Business users should request a logo license via their Intellectual Property site. Approval typically takes about 10 working days. post office logo download
Separate from Royal Mail, their assets are managed via the Post Office Corporate team. Access high-res assets through the USPS Brand Connect portal
For generic icons or historic versions, platforms like WorldVectorLogo , Vecteezy , and Freepik offer community-uploaded vectors. Choosing the Right File Format Logo and Trademark Usage - Rights and Permissions platforms like WorldVectorLogo