Several United States post offices are individually notable and have operated under the authority of the United States Post Office Department (1792–1971) or of the United States Postal Service (since 1971). Notable U.S. post offices include individual buildings, whether still in service or not, which have architectural or community-related significance. Many of these are listed on the National Register of Historic Places (NRHP) and/or state and local historic registers. Alabama United States Post Office (Albertville, Alabama), listed on the National Register of Historic Places (NRHP) United States Post Office (Anniston, Alabama), NRHP-listed Old Athens, Alabama Main Post Office in Athens, NRHP-listed United States Post Office (Attalla, Alabama), NRHP-listed Auburn City Hall, in Auburn, formerly the "U.S. Post Office", NRHP-listed Robert S. Vance Federal Building and United States Courthouse, Birmingham, Alabama, formerly known as "U.S. Post Office" United States Post Office (Burbank, Alabama) United States Post Office (Demopolis, Alabama) Federal Building and United States Courthouse (Dothan, Alabama), also a post office United States Post Office (Fairhope, Alabama) United States Post Office (Gadsden, Alabama) Post Office Historic District, Greenville, Alabama United States Courthouse and Post Office (Huntsville, Alabama) Frank M. Johnson Jr. Federal Building and United States Courthouse, Montgomery, Alabama, listed on the NRHP as United States Post Office and Courthouse-Montgomery United States Post Office (Opelika, Alabama) United States Post Office Building (Selma, Alabama) Alaska Cordova Post Office and Courthouse, NRHP-listed Cooper Landing Post Office, NRHP-listed Sitka United States Post Office and Court House, NRHP-listed Arizona United States Post Office and Customs House-Douglas Main, Douglas, Arizona United States Post Office and Courthouse-Globe Main U.S. Post Office (Kingman, Arizona) U.S. Post Office and Immigration Station–Nogales Main United States Post Office, American Flag, Arizona, in Pinal County United States Post Office (Phoenix, Arizona) United States Post Office and Courthouse–Prescott Main, Prescott, Arizona James A. Walsh United States Courthouse, Tucson, Arizona, NRHP-listed as U.S. Post Office and Courthouse Old Brick Post Office, in Maricopa County United States Post Office–Yuma Main Arkansas Berryville Post Office, in Berryville, in Carroll County, NRHP-listed Old Camden Post Office in Camden, in Ouachita County, NRHP-listed Crossett Post Office, in Crossett, in Ashley County, NRHP-listed Dardanelle Agriculture and Post Office, in Dardanelle, in Yell County, NRHP-listed DeWitt Post Office, in DeWitt, in Arkansas County, NRHP-listed Old Post Office (Fayetteville, Arkansas), NRHP-listed Doe Branch Post Office, in Ferndale, in Pulaski County, NRHP-listed Judge Isaac C. Parker Federal Building, in Fort Smith, NRHP-listed,