iHeartPodcasts & HowStuffWorks

 On this day in 1963, the ZIP Code was introduced as part of a nationwide effort to improve the speed of mail delivery in the United States.See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information.

 https://www.listennotes.com/e/e79a70c762b64fa3ac4f74c06e3785ba/

iHeartPodcasts & HowStuffWorks On this day in 1963, the ZIP Code was introduced as part of a nationwide effort to improve the speed of mail delivery in the United States. See omnystudio.com/listener for privacy information. https://www.listennotes.com/e/e79a70c762b64fa3ac4f74c06e3785ba/

iHeartPodcasts &amp; HowStuffWorks

 On this day in 1963, the ZIP Code was introduced as part of a nationwide effort to improve the speed of mail delivery in the United States.See <a href="https://omnystudio.com/listener" rel="noopener noreferrer">omnystudio.com/listener</a> for privacy information.

 https://www.listennotes.com/e/e79a70c762b64fa3ac4f74c06e3785ba/

The U.S. Postal Service introduces the ZIP Code - July 1st, 1963

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The U.S. Postal Service introduces the ZIP Code - July 1st, 1963

The U.S. Postal Service introduces the ZIP Code - July 1st, 1963

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