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US Post Office
One of 46 shipping or delivery service listings in New Castle.
About US Post Office
US Post Office is a shipping or delivery service in the public service and government sector, based in New Castle, DE. Its recorded address is 501 Delaware St, 19720. The listing includes a telephone number, an official website. It is one of 46 shipping or delivery service listings tracked in New Castle; the nearest comparable listing is United States Postal Service, within walking distance. US Post Office has 7,292 listed locations in total; this page covers the New Castle branch.
- Address
- 501 Delaware St, New Castle, DE, 19720
- Phone
- (800) 275-8777
- Website
- tools.usps.com
- Social
Questions
Where is US Post Office located?
501 Delaware St, New Castle, DE, 19720
How do I contact US Post Office?
(800) 275-8777 · https://tools.usps.com/find-location.htm?location=1374680
What type of business is US Post Office?
US Post Office is a shipping or delivery service (public service and government) in New Castle.
US Post Office branches
US Post Office has 7,292 listed locations. This branch is in New Castle.
- Kailua Kona96740-2440
- Hilo96720
- Hilo96720
- Laupahoehoe96764-9997
- Kapaau96755-3001
- Kihei96753
- Lanai City96763
- Pukalani96788
- Lahaina96761
- Honolulu96817
Nearby shipping or delivery service
- United States Postal ServiceNew Castle0.0 km
- NEW CASTLENEW CASTLE0.0 km
- CENTERPOINTNEW CASTLE1.8 km
- US Post OfficeNew Castle1.8 km
- Post Office CenterpointNew Castle1.8 km
- UPS Access Point locationNew Castle3.1 km
- UPS Access Point locationNew Castle2.7 km
- The Mail Box Store of New CastleNew Castle2.7 km
- UPS Authorized Shipping OutletNEW CASTLE2.7 km
- UPS Authorized Shipping OutletNEW CASTLE2.8 km
- The Mail Box Store of New CastleNew Castle2.8 km
- UPS Access Point locationNew Castle3.5 km
- United States Postal ServiceNew Castle2.8 km
- US Post OfficeHistoric New Castle2.8 km
- Post OfficeNew Castle2.8 km
Cite this page
“US Post Office, New Castle — 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.