Post office in Carr
|State||State of Colorado|
|Elevation||5,712 ft (1,741 m)|
|Time zone||UTC-7 (MST)|
|• Summer (DST)||UTC-6 (MDT)|
Carr is an unincorporated community and U.S. Post Office in Weld County, Colorado, United States. The ZIP Code of the Carr Post Office is 80612. Some consider Carr a ghost town. Today, just a few old houses remain plus the school house and a few old store fronts. Aside from that there are scattered old foundations throughout the town. There are a few year-round residents but for the most part the town is abandoned.
The town of Carr was established by the Union Pacific Railroad in 1872. Carr was named for Robert E. Carr of the Union Pacific, who managed the construction of the rail line through the town. The Carr Post Office opened on March 26, 1872.  From 1920 until 1939, the town carried Old Colorado State Highway 5, which was meant as an access route. However, during this time, routes numbered 1-19 were major cross state highways, making it a somewhat useless route.
Carr is located at (40.896257,-104.875488). Just north of the Carr turnoff on I-25 is the Carr Natural Fort. It is a natural limestone formation where many noted Indian battles took place between the Crow and Blackfeet tribes.
- Outline of Colorado
- State of Colorado
- Eichler, Geo. R. (1977). Colorado Place Names. 77-089726: Johnson Publishing Company.
- "US Board on Geographic Names". United States Geological Survey. 2007-10-25. Retrieved 2008-01-31.
- "Carr". Atjeu Publishing. Retrieved 9 January 2013.
- Bauer, William H.; James L. Ozment; John H. Willard (1990). Colorado Post Offices 1859-1989. 90-34759: The Colorado Railroad Museum. ISBN 0-918654-42-4.
- "Carr - Colorado Ghost Town". www.ghosttowns.com. Retrieved 2018-04-02.
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