Winterhaven, California
Winterhaven (formerly, Karmack) is a census-designated place (CDP) in Imperial County, California. Winterhaven is east of Pilot Knob, The population was 394 at the 2010 census, down from 529 at the 2000 census. It is part of the El Centro, CA Metropolitan Area. North of Interstate 8 and bordering Yuma, Arizona, the town is partly in the Fort Yuma Indian Reservation. The Colorado River marks the town's southern border. Telephone and mail service Telephone service is provided by Winterhaven Telephone Company, a subsidiary of TDS Telecom, and wired telephones in the area have numbers following the format (760) 572-xxxx. These numbers are assigned to subscribers in Winterhaven, Bard, and Felicity. The communities of Bard and Felicity appear in the US Geological Survey, National Geographic Names Database, and the US Postal Service database and adjoin the community of Winterhaven. The communities of Felicity and Winterhaven share a ZIP code: 92283. Bard does not have postal delivery, and post office boxes for the community have a ZIP code of 92222. The first post office at Winterhaven operated from 1916 to 1921. It was re-established in 1934. Geography According to the United States Census Bureau, the CDP has a total area of ,