Post Offices by state

Select a state and click Search to see a list of Post Offices for that state. If research is completed on an office, you will get the establishment date and discontinuance date, if applicable.

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

Post Offices in


You may need to scroll the results table left and right to see all of the columns.

ZIP Code Post Office Date Established Date Discontinued