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Anything from one day (for Express Mail) to never, depending on the class of mail and whether the post office loses it.

According to the Postal Service website, mailing a 2-ounce letter First Class Mail from Chicago 60601 to Milwaukee 53202 on today, Sunday the 19th, would take 3 days, until the 21st.

This implies it takes 2 business days.

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14y ago

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