Post office hours

Most USPS Post Office retail windows are open Monday through Friday from 8:30 AM to 5:00 PM and Saturday from 8:30 AM to 12:30 PM. Sundays are closed nationwide for window service. Hours vary widely by location - check the USPS locator below. USPS retail is closed on all 11 federal holidays (Memorial Day, July 4, Labor Day, Thanksgiving, Christmas, etc.). Self-Service Kiosks at many locations stay accessible 24/7.

The United States Postal Service (USPS) operates around 31,000 retail Post Offices nationwide, plus thousands of contract postal units inside drugstores, grocery stores, and other retailers. As a federal agency, USPS retail follows the federal holiday calendar (11 paid federal holidays per year are full closures) and keeps Sunday closed nationwide for window service.

This page covers what time the post office opens and closes (most retail windows run Mon-Fri 8:30 AM to 5:00 PM and Saturday 8:30 AM to 12:30 PM, but hours vary widely by location), Sunday closures (window service is closed every Sunday at every Post Office; Priority Mail and Amazon delivery may still operate), the federal holiday closure list, and the USPS customer service phone tree (1-800-344-7779 is the technical support line for Click-N-Ship and PO Box account help; 1-800-275-8777 is general customer care).

Two USPS-specific things worth knowing: many Post Offices have separate PO Box lobby hours that run longer than the retail window (often 24-hour lobby access for box holders), and Self-Service Kiosks (SSK) are available at hundreds of locations 24/7 for stamps, postage, and package mailing. Other federally-tied services keep different holiday rules; passenger rail operator Amtrak runs trains through every federal holiday on a reduced or holiday timetable. Use the locator below for your specific Post Office.

Is Post office open today?

Post office generally follows the standard weekly schedule below. Hours can vary by location - confirm your specific store via the official locator.

Post office weekly hours

Post office holiday hours

Is Post office open on Saturday?

Saturday window service at most Post Offices runs 8:30 AM to 12:30 PM, about half a regular weekday. Larger main Post Offices in major cities keep extended Saturday hours up to 3:00 PM, and a handful of city-center offices stay open until 5:00 PM Saturday. Saturday is the busiest retail-window day of the week. Saturday delivery is separate from window hours - regular and Priority Mail still get delivered Saturday even when the window has closed.

Is Post office open on Sunday?

Every USPS Post Office retail window is closed on Sunday nationwide. This is universal - no Post Office runs window service on Sunday, and no Saturday-style reduced Sunday hours exist. Sunday delivery does happen for Priority Mail Express and Amazon packages at many addresses, but the retail window where you buy stamps or ship a package is fully closed. Self-Service Kiosks at participating Post Offices stay accessible Sunday for stamp purchases and package mailing. PO Box lobbies often have 24-hour access for box holders even on Sunday.

Find a Post office store near me

Hours vary by location, so the most accurate hours for your nearest store are on the official Post office store locator. Enter your zip code or city to see the closest stores and their current hours.

Post office hours - frequently asked questions

What time does USPS close?

Most USPS Post Office retail windows close at 5:00 PM Monday through Friday and 12:30 PM on Saturday. Hours vary widely by location - main Post Offices in larger cities often stay open until 6:00 PM Mon-Fri, while small rural offices may close at 4:30 PM. The USPS locator at tools.usps.com/find-location.htm lists the current hours for every Post Office.

What time does USPS open?

Most USPS Post Office retail windows open at 8:30 AM Monday through Saturday. Larger main Post Offices in major cities often open at 8:00 AM, and a few city-center main offices open at 7:00 AM. PO Box lobbies often unlock earlier than retail-window hours (sometimes 24-hour access at larger offices). All retail windows are closed Sunday nationwide.

Is USPS open on Sunday?

No. USPS Post Office retail windows are closed every Sunday at every location nationwide - this is universal across the postal service. Self-Service Kiosks at participating Post Offices remain accessible on Sunday, and PO Box lobbies often have 24-hour access for box holders. Sunday delivery still runs for Priority Mail Express and for Amazon packages at many addresses.

Is USPS open on Saturday?

Yes. Most USPS Post Offices have reduced Saturday hours, typically 8:30 AM to 12:30 PM. Larger main Post Offices in major cities run extended Saturday hours up to 3:00 PM. Saturday is the busiest day for the retail window. Regular Saturday mail delivery continues even when the retail window closes at 12:30 PM.

Is the post office open today?

USPS Post Offices are open Monday through Saturday with reduced Saturday hours and closed every Sunday. They are also closed on all 11 federal holidays (New Year's Day, MLK Day, Presidents Day, Memorial Day, Juneteenth, July 4, Labor Day, Columbus Day, Veterans Day, Thanksgiving, Christmas). The locator at tools.usps.com/find-location.htm lists today's specific hours for any Post Office.

Will USPS be open tomorrow?

Tomorrow's USPS Post Office hours depend on the day of the week and any federal holiday observance. The default schedule is 8:30 AM to 5:00 PM Monday through Friday, 8:30 AM to 12:30 PM Saturday, closed Sunday. Use the USPS locator to check tomorrow's specific hours at your Post Office; a federal holiday closes all retail windows nationwide.

Is USPS open on holidays?

USPS retail windows close on all 11 federal holidays: New Year's Day, MLK Day, Presidents Day, Memorial Day, Juneteenth, Independence Day (July 4), Labor Day, Columbus Day, Veterans Day, Thanksgiving Day, and Christmas Day. Mail delivery is also suspended on these days (Priority Mail Express still runs). Black Friday, Good Friday, and Easter Monday are NOT federal holidays - retail windows run normal hours those days.

What is the USPS customer service phone number?

USPS has a customer service phone tree by issue type. 1-800-275-8777 (1-800-ASK-USPS) is general customer care (M-F 8 AM to 8:30 PM ET, Sat 8 AM to 6 PM ET). 1-800-344-7779 is technical support for Click-N-Ship, claims, PO Boxes, and USPS account help (same hours). 1-800-222-1811 is package tracking. 1-844-737-7826 is stamps and Postal Store orders. 1-800-610-8734 orders free shipping supplies.

Are USPS Self-Service Kiosks open 24/7?

At participating Post Offices, yes. Self-Service Kiosks (SSKs) accept stamps, postage, and package mailing 24 hours a day, including Sunday and federal holidays. SSK availability depends on the specific Post Office - main offices and busier suburban offices tend to have them; small rural offices often do not. Use the USPS locator and filter by 'Self-Service Kiosk' to find one near you.

Are PO Box lobby hours different from retail window hours?

Yes. PO Box lobby hours are usually longer than retail window hours - many Post Offices give PO Box holders 24-hour lobby access, while the retail window operates only 8:30 AM to 5:00 PM Mon-Fri. The PO Box lobby is the part of the building where the boxes themselves are located; retail window service (stamps, package drop-off with a clerk) only operates during posted retail hours.

How do I find a USPS Post Office near me?

Use the official USPS locator at tools.usps.com/find-location.htm. Enter your ZIP code or city, and the locator returns nearby Post Offices, contract postal units, and Self-Service Kiosk locations along with each location's current daily hours, services available, and PO Box lobby hours. The map below shows nearby Post Offices on Google Maps.

Does USPS deliver on Sunday?

USPS retail windows are closed Sunday, but USPS does deliver some packages on Sunday: Priority Mail Express runs every day including Sunday and federal holidays, and USPS partners with Amazon to deliver Amazon packages on Sunday at many addresses. Regular First-Class Mail and Priority Mail (non-Express) do not deliver on Sunday.

Post office customer service: 1-800-344-7779 - call to confirm hours or ask questions.

Relevant articles

• Wells Fargo hours
• Chase Bank hours
• Bank of America hours
• TD Bank hours

Last verified: May 2026 against Post office's official store locator and press releases.

Disclaimer: we are not connected with Post office or any other company. Whathours.com exists to show the working hours of good businesses worldwide.