Events – Post Office

This page allows you to see a list of Keweenaw History events relating to Keweenaw County Post Offices.

Upcoming Events › post-office

December 2018

12/12/2006-The Allouez post office becomes ZIP 49901. It is still active

December 12

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12/12/2006-The Copper Harbor post office becomes ZIP 49918

December 12

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12/12/2006-The Eagle River post office becomes ZIP 49924-WHEN WAS IT STOPPED?

December 12

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12/12/2006-Gay becomes ZIP 49924 – WEN DID IT CLOSE?

December 12

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12/12/2006-The post office at Mohawk becomes 49950

December 12

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12/15/1909-The post office at Johns is discontinued, the mail sent to Duluth

December 15

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12/16/1909-The post office at Delaware Mine was re-established.

December 16

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