Mercer Island Post Office 98040

This page provides details for the Mercer Island post office located at 3040 78th Ave Se Mercer Island Washington 98040. Below you will find the post office phone number, hours of operations, what services they provide and other useful information to help you determine if this is the post office location you are looking for. The people working at this location should be able to assist you with things like changing your mailing address, assist in helping you file a claim for missing mail and sell office supplies like stamps, money orders and if available, PO boxes. If you plan to visit this Mercer Island post office in Washington, then we recommend you contact them first to verify their address and the services they provide, as this may have changed. It appears this office provides US passport services. Contact this location to see how you can apply for a new passport and if they offer photo services.