Newcastle Beginnings: New Castle Post Office opens on August 22, 1878.

  • By Greg Lange
  • Posted 12/07/1998
  • Essay 444
On August 22, 1878, the New Castle Post Office is established. On July 12, 1894, the spelling changes to Newcastle.

James N. Roach was the first postmaster. He operated the post office in the Oregon Improvement Company coal mine company store. It ceased operations on January 31, 1935. Newcastle is located 10 miles southeast of Seattle, five miles north-northeast of Renton.

Sources: Guy Reed Ramsey, "Postmarked Washington, 1850-1960," Microfilm (Olympia: Washington State Library, February, 1966), 571-573.

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