Audubon County, Iowa Post Offices
Present Post Offices
| Names | Established |
| |
| Audubon | May 12, 1871 |
| Brayton | February 27, 1880 |
| Exira | June 27, 1856 |
| Gray | January 30, 1882 |
| Hamlin | June 24, 1873 |
| Kimballton | January 16, 1882 |
Obsolete Post Offices
| Names | Established | Discontinued |
| | |
| Audubon Center | December 13, 1877 | September 30, 1867 |
| Audubon Heights | June 13, 1877 | |
| (name changed to Conkling) | February 28, 1881 | |
| Civil Point | January 8, 1879 | July 26, 1880 |
| Conkling | | June 14, 1894 |
| Exline (site changed to Appanoose county) | January 14, 1878 | |
| Fiscus (site changed to Shelby county) | September 8, 1898 | March 15, 1908 |
| Grove (late Hamlin Grove) | | August 30, 1888 |
| Hamlin Grove (name changed to Grove) | October 1, 1853 | June 24, 1873 |
| Horace | March 19, 1878 | September 26, 1894 |
| Irwin | June 6, 1871 | March 26, 1879 |
| Jobes (site changed to Guthrie County) | January 2, 1877 | January 17, 1903 |
| Louisville | February 6, 1872 | January 21, 1880 |
| Larland | April 30, 1890 | May 15, 1902 |
| Leroyville | May 16, 1871 | November 8, 1878 |
| Melville | February 19, 1878 | October 24, 1891 |
| Oakfield | October 22, 1858 | November 29, 1881 |
| Orleans (site changed to Appanoose county) | May 4, 1860 | |
| Poplar | March 30, 1892 | March 15, 1908 |
| Price | February 9, 1886 | August 17, 1889 |
| Ross | August 23, 1883 | ??? Unknown |
| Thompson | October 7, 1872 | February 24, 1880 |
| Viola Center | March 6, 1878 | March 21, 1903 |
The above information has been transcribed from History of Audubon County Iowa, Its People, Societies and Institutions, Indianapolis, Indiana: B. F. Bowen and Company, Inc., 1915, pg. 296-297. The Ross post office was still open when this book was published in 1915. It has since been discontinued, so Ross has been placed in the "Obsolete" section. The exact date of discontinuation has not yet been found.
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