National postal serviceUnited States

USPS in the United States

  • 82,081Locations
  • 44,881Post offices
  • 36,788Parcel shops
  • 73Parcel lockers
  • 91Delivery offices
  • 242Courier branches
  • 51Regions
  • 14,475Places

Places with locations

14,475

USPS by region

51

USPS opening hours (from our records)

Calculated from the recorded hours of 800 points; individual branches may differ.
Most common weekday hours09:00–19:00
Saturday88%
Sunday53%
Open 24/73%

Official information

Customer service
1-800-275-8777 · 1-800-ASK-USPS · source
Website
usps.com · source
Parcel tracking
tools.usps.com · source
Branch finder
tools.usps.com · source
Locker network
USPS Smart Locker · source

Taken from the carrier’s own website, checked 17 October 2026.

USPS

In the United States, the USPS network we list comprises 44,881 post offices, 36,788 postal counters, 242 branches, 91 depots and 73 parcel lockers. They are spread over 14,475 towns in 51 regions. Brooklyn, Chicago, Houston, Los Angeles and Las Vegas have the most.

USPS is the national postal operator of the United States. No other of the 254 carriers in the United States has more locations; USPS accounts for 54% of them.

Of the 800 locations with known opening hours, 706 open on Saturday and 421 on Sunday. 24 can be used around the clock.

Frequently asked questions

How many USPS locations are there in the United States?

We list 82,081 locations in 14,475 towns: 44,881 post offices, 36,788 postal counters, 242 branches, 91 depots and 73 parcel lockers.

Is USPS the national post of the United States?

Yes, USPS is the national postal operator of the United States.

Are USPS locations open on Saturday and Sunday?

Of the 800 locations with known opening hours, 706 open on Saturday and 421 on Sunday.

Can I use a USPS point around the clock?

Yes, 24 locations are recorded as open 24/7.

Where does USPS have the most locations in the United States?

In Brooklyn, Chicago, Houston, Los Angeles and Las Vegas.

How big is the USPS network compared with other carriers?

USPS accounts for 54% of all points we list in the United States and ranks 1st of 254 carriers by number of locations.

Guides

Carriers: United States