Federal Building and Post Office, and variations such as prefixed by Old, may refer to:Main Post Office and Federal Building, listed on the National Register of Historic Places (NRHP) in Alameda County U.S. Post Office, Courthouse and Federal Building, Sacramento, California, NRHP-listed Cañon City Post Office and Federal Building, Cañon City, Colorado, NRHP-listed in Fremont County US Post Office and Federal Building–Delta Main, Delta, Colorado, NRHP-listed in Delta County U.S. Post Office and Federal Building, Denver, Colorado, NRHP-listed US Post Office and Federal Building–Monte Vista Main, Monte Vista, Colorado, NRHP-listed in Rio Grande County US Post Office, Federal Building, and Federal Courthouse–Sterling Main, Sterling, Colorado, NRHP-listed in Logan County U. S. Post Office and Federal Building / now known as William R. Cotter Federal Building, Hartford, Connecticut, NRHP-listed U.S. Post Office–Federal Building, NRHP-listed Federal Building, U.S. Courthouse, Downtown Postal Station, Tampa, Florida, NRHP-listed Old U.S. Post Office and Federal Building, NRHP-listed Terre Haute Post Office and Federal Building, Terre Haute, Indiana, NRHP-listed Federal Building–US Post Office, Independence, Kansas, NRHP-listed in Montgomery County US Post Office and Federal Building–Salina, Salina, Kansas, NRHP-listed in Saline County United States Post Office and Federal Building, NRHP-listed in Sedgwick County Federal Building and US Post Office–Owensboro, Owensboro, Kentucky, listed on the NRHP in Kentucky Old U.S. Post Office and Federal Building, a Mississippi Landmark Old U.S. Post Office and Federal Building, a Mississippi Landmark Lewistown Federal Building & Post Office, Lewistown, Montana, NRHP-listed in Fergus County Federal Building and Post Office, NRHP-listed Federal Building and Post Office, NRHP-listed U. S. Post Office and Federal Building, Rockingham, North Carolina, NRHP-listed Akron Post Office and Federal Building, Akron, Ohio, NRHP-listed Old Federal Building and Post Office, NRHP-listed Old Post Office and Federal Building, Dayton, Ohio, listed on the NRHP in Ohio US Post Office and Federal Building–Zanesville, Zanesville, Ohio, NRHP-listed Post Office, Courthouse, and Federal Office Building, Oklahoma City, Oklahoma, NRHP-listed U.S. Post Office and Federal Building, La Grande, Oregon, NRHP-listed U.S. Post Office and Federal Building, Austin, Texas, NRHP-listed US Post Office–Federal Building–Brenham, Brenham, Texas, listed on the NRHP in Texas Lubbock Post Office and Federal Building, Lubbock, Texas, listed on the NRHP in Texas US Post Office and Federal Building, Port Arthur, TX, listed on the NRHP in Texas Post Office and Federal Building, included in the Alamo Plaza Historic District Old Federal Building and Post Office, listed on the NRHP in Texas U.S. Post Office – Downtown Tacoma, also known as "U.S. Post Office – Downtown Tacoma – Federal Building", Tacoma, Washington, NRHP-listed in Pierce County