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| Location | Years of operation | Mint mark | Notes |
| Philadelphia, Pennsylvania | 1793- | P or none | Pennies and coins struck prior to 1980 had no mint marks, except for Susan B. Anthony dollars and wartime Jefferson nickels. Although the mint officially opened in 1792, no regular issue coins were struck until 1793. |
| Charlotte, North Carolina | 1838- 1861 | C | gold coins only |
| Dahlonega, Georgia | 1838- 1861 | D | gold coins only |
| New Orleans, Louisiana | 1838- 1909 | O | There was a long break in production from the beginning of the Civil War ( 1861) until the end of Reconstruction ( 1879). |
| Carson City, NevadaCarson City redirects here. There is also Carson City, Michigan. Carson City is the capital of the state of Nevada in the United States of America. As of the 2000 census, its population is 52,457. Carson City is now an independent city, not part of any co | 1870Events January 6 The inauguration of the Musikverein ( Vienna). January 10 John D. Rockefeller incorporates Standard Oil January 15 A political cartoon for the first time symbolizes the United States Democratic Party with a donkey ("A Live Jackass Kicking- 1893Events January 1 Japan accepts the Gregorian calendar January 2 Introduction by Webb C. Ball of the General Railroad Timepiece Standards in North America: Railroad chronometers January 13 The Independent Labour Party of the UK has its first meeting. Janua | CC | |
| San Francisco, CaliforniaFor other meanings, see San Francisco (disambiguation). Bay Bridge. In the distance is fog covering the western third of the city. Click for additional information The City and County of San Francisco (population 776,773), the fourth-largest city in the s | 1854- | S | Since 1975, strikes only proof coinage, except for the Susan B. Anthony dollar. |
| Denver, Colorado | 1906- | D | |
| West Point, New York | 1973- | W or P or none | Commemorative coins bear the W mint mark; circulating coins are indistinguishable from coinage struck in Philadelphia. |
Between 1965- 1967 all coins were struck without mint marks, in the belief that a coin shortage was due to zealous coin collectors. The real reason was the removal of most silver from the coinage, which led to hoarding of silver-based coins as predicted by Gresham's Law.
Pioneer coinage, tokens, private issue coins and paper money do not have official mint marks.