U.S. POSTAL CODE DIRECTORY

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Missouri Zip Codes



Missouri Missouri (nickname The Show Me State) is a U.S. state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. Missouri is the 21st most extensive and the 18th most populous of the 50 United States. Missouri comprises 114 counties and the independent city of St. Louis. The four largest urban areas are St. Louis, Kansas City, Springfield, and Columbia. Missouri s capital is Jefferson City. The land that is now Missouri was acquired from France as part of the Louisiana Purchase and became known as the Missouri Territory. Part of the Territory was admitted into the union as the 24th state on August 10, 1821.

State Zip Code City County Area Codes
MO 63369 Old Monroe Lincoln County 636
MO 63370 Olney Lincoln County 573
MO 63373 Portage Des Sioux St. Charles County 618, 636
MO 63376 Saint Peters St. Charles County 636
MO 63377 Silex Lincoln County 573, 636
MO 63378 Treloar Warren County 636
MO 63379 Troy Lincoln County 573, 636
MO 63380 Truesdale Warren County 636
MO 63381 Truxton Warren County 573, 636
MO 63382 Vandalia Audrain County 573
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Map of Missouri

ZIP codes are a system of postal codes used by the United States Postal Service (USPS) since 1963. The term ZIP, an acronym for Zone Improvement Plan, is properly written in capital letters and was chosen to suggest that the mail travels more efficiently, and therefore more quickly, when senders use the code in the postal address. The basic format consists of five decimal numerical digits. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the ZIP code, a hyphen, and four more digits that determine a more precise location than the ZIP code alone. The term ZIP code was originally registered as a servicemark (a type of trademark) by the U.S. Postal Service, but its registration has since expired.

ZIP codes designate only delivery points within the United States and its dependencies, as well as locations of its armed forces. There are no ZIP codes reserved for designating mail bound for foreign destinations (with the exception of U.S. military units stationed outside of the United States), and therefore, international outbound mail should not include a ZIP code in the delivery address. The last line of a foreign address must only show the name of the country of destination.

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