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U.S. Post Office
One of 31 shipping or delivery service listings in Johnstown.
About U.S. Post Office
U.S. Post Office is a shipping or delivery service in the public service and government sector, based in Johnstown, CO. Its recorded address is 121 Castle Pines Ave, 80534-9072. The listing includes a telephone number, an official website. It is one of 31 shipping or delivery service listings tracked in Johnstown; the nearest comparable listing is JOHNSTOWN, within walking distance in JOHNSTOWN. U.S. Post Office has 165 listed locations in total; this page covers the Johnstown branch.
- Address
- 121 Castle Pines Ave, Johnstown, CO, 80534-9072
- Phone
- +19705874246
- Website
- tools.usps.com
- Social
Questions
Where is U.S. Post Office located?
121 Castle Pines Ave, Johnstown, CO, 80534-9072
How do I contact U.S. Post Office?
+19705874246 · https://tools.usps.com/find-location.htm?y_source=1_MzM5MDM4NS00NDAtbG9jYXRpb24ud2Vic2l0ZQ==&searchRadius=10&address=80534&locationType=po
What type of business is U.S. Post Office?
U.S. Post Office is a shipping or delivery service (public service and government) in Johnstown.
U.S. Post Office branches
U.S. Post Office has 165 listed locations. This branch is in Johnstown.
- Linn78563
- Brownsville78520-8601
- Matlacha33993
- Hollywood33021
- Celebration34747
- Green Valley85614
- Marfa79843
- Spring Valley91977-9607
- San Antonio78249-2206
- Fort Worth76132-4135
Nearby shipping or delivery service
- JOHNSTOWNJOHNSTOWN0.0 km
- United States Postal ServiceJohnstown0.0 km
- Johnstown Post OfficeJohnstown0.0 km
- UPS Authorized Shipping ProviderJohnstown0.3 km
- MILLIKENMILLIKEN4.3 km
- United States Postal ServiceMilliken4.3 km
- UPS Authorized Shipping ProviderGreeley11.3 km
- United We GiveLoveland13.1 km
- Post Office-MeadMead13.5 km
- MEADMEAD13.6 km
- United States Postal ServiceMead13.6 km
- WIN CARRIER ANNEXWINDSOR15.2 km
- United States Postal ServiceGilcrest12.3 km
- GILCRESTGILCREST12.3 km
- United States Postal ServicePlatteville14.9 km
Cite this page
“U.S. Post Office, Johnstown — 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.