Postmaster Finder

Post Offices by ZIP Code

Remember! Many discontinued Post Offices are not listed.
See FAQs about Postmaster Finder.

Action: Enter three digits in the "From ZIP Code" and in the "To ZIP Code" boxes. Click Search to process. Click Clear to reset.

Result: A numerical listing of Post Offices in our database by ZIP Code. The list will include the establishment date where research is complete on an office and the discontinuance date, if applicable.