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How Many Numbers Are in a Zip Code? A Clear Explanation
The lengths of various zip codes are confusing. There are now 3-digit codes, 5-digit codes and even nine-digit zip codes. Find out what they mean here.
3 Digit Zip Code Maps and Customizable Sales Territory Maps of the USA States and Zip code Region Maps and Heat Maps
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The lengths of various zip codes are confusing. There are now 3-digit codes, 5-digit codes and even nine-digit zip codes. Find out what they mean here.