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US Post Office
One of 9 shipping or delivery service listings in Potomac.
About US Post Office
US Post Office is a shipping or delivery service in the public service and government sector, based in Potomac, MD. Its recorded address is 10221 River Rd, 20854. The listing includes a telephone number, an official website. It is one of 9 shipping or delivery service listings tracked in Potomac; the nearest comparable listing is POTOMAC, within walking distance in POTOMAC. US Post Office has 7,292 listed locations in total; this page covers the Potomac branch.
- Address
- 10221 River Rd, Potomac, MD, 20854
- Phone
- (800) 275-8777
- Website
- tools.usps.com
- Social
Questions
Where is US Post Office located?
10221 River Rd, Potomac, MD, 20854
How do I contact US Post Office?
(800) 275-8777 · https://tools.usps.com/find-location.htm?location=1434450
What type of business is US Post Office?
US Post Office is a shipping or delivery service (public service and government) in Potomac.
US Post Office branches
US Post Office has 7,292 listed locations. This branch is in Potomac.
- Kailua Kona96740-2440
- Hilo96720
- Hilo96720
- Laupahoehoe96764-9997
- Kapaau96755-3001
- Kihei96753
- Lanai City96763
- Pukalani96788
- Lahaina96761
- Honolulu96817
Nearby shipping or delivery service
- POTOMACPOTOMAC0.0 km
- United States Postal ServicePotomac0.0 km
- Potomac Village Post OfficePotomac0.0 km
- The UPS StorePotomac0.3 km
- U S Post OfficePotomac1.9 km
- The UPS StoreBethesda5.5 km
- US Post OfficeCabin John6.4 km
- United States Postal ServiceCabin John6.5 km
- CABIN JOHNCABIN JOHN6.5 km
- UPS Access Point locationPotomac6.5 km
- The UPS StoreRockville6.5 km
- AmurXpress Courier ServiceBethesda5.8 km
- USPS Collection PointBethesda5.8 km
- WESTLAKEBETHESDA5.8 km
- United States Postal ServiceBethesda5.8 km
Cite this page
“US Post Office, Potomac — business.wiki, retrieved August 2026.” Facts on this page come from openly licensed data (Overture Maps Foundation) and are refreshed with each monthly release; sourcing is documented on the methodology page.