There are more than 632,437 Colorado ZIP Code 5 Plus 4 in this website, including ZIP Code 5 Plus 4, Range, Record Type, Carrier Route ID, Street, Address, City Name, County FIPS, State Abbr etc. plus with online map.
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ZIP Code 5
This is an example of U.S envelope. Fill in the sender's information at the top left and the recipient information at the bottom right. The necessary information is sender/recipient's full name, street address, city, state and zip code. The recipient address information has been given for your reference. Generally, If you are not sure of the full 9-digit zip code, you can only fill in the 5-digit zip code to avoid loss of package.
For more explanation, please read the official document: USA.pdf (English)
The population of the state Colorado was 5,029,196 in 2010 and reached 5,758,736 in 2019 with an increase of +729,540. Now the state Colorado is the 21th state by population size in the U.S. and accounts for 1.74% of the total U.S. population.
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