Little Harts Creek, located in Harts Creek District of Lincoln County, West Virginia, has hosted one post office: Atenville Post Office (1906-1924). Today, no post office exists on Little Harts Creek. Sand Creek, located in Harts Creek District, has hosted one post office: Sand Creek Post Office (1905-1933). Today, no post office exists at Sand Creek.

Atenville Post Office (1906-1924) — located at the mouth of Little Harts Creek

George W. Dillon: 9 May 1906/15 November 1906 – 23 October 1908

William M. Workman: 23 October 1908 – 4 May 1914

Nancy Payne: 4 May 1914 – 22 November 1915

Arnold Perry: 22 November 1915 – 31 October 1918

Discontinued: 31 October 31, 1918, mail to Harts

Kile Topping: 28 June 1922 – 23 October 1923

Wilson B. Lambert: 23 October 1923 (acting postmaster), 31 December 1923 – 4 January 1924 (acting postmaster)

Wilson B. Lambert: 4 January 1924 – 27 February 1926

Discontinued, effective 27 February 1926, mail to Harts

Sand Creek Post Office (1905-1933) — located at the mouth of Sand Creek

Augustus E. Wagner: 18 February 1905 – 8 May 1914

Jerry Lambert: 8 May 1914 – 15 July 1933

Discontinued: 7 July 1933, effective 15 July 1933, mail to Gill