Find USPS blue mailboxes across Maryland. Browse 375 cities and 4,624 drop boxes with maps and pickup times.
Find USPS blue mailboxes across Maryland. Browse 375 cities and 4,624 collection boxes, then use the city map to compare locations and pickup times. For tight schedules, check two or three nearby boxes—busy retail areas and boxes near post offices can have different collection times than residential streets. Choose a box along your route, confirm the posted time on the label, and consider a nearby alternative if you need a later pickup.
In larger metros such as Baltimore, Bethesda, Silver Spring, you’ll often find multiple boxes within a few blocks.
Tip: if timing is tight, check two or three nearby boxes—some collect later than others. For specific directions, tap a mailbox to view its address, map, and today’s pickup time.
Browse cities on this page, then open a city to see nearby USPS blue mailboxes with addresses, maps, and pickup times.
Open a city, then select a mailbox to view today’s pickup time and directions. If timing is critical, compare a few nearby boxes for later collections.
We regularly update information, but mailbox availability and schedules can change. Use the mailbox page for details and consider nearby alternatives.