Armstrong zip code is 61812. The zip code 61812 use for the city - Armstrong, Illinois (IL) of United States.
The city of US named Armstrong provides postal services with the postal code or zip code called 61812 and the state name of the post office is Illinois (IL) of the United States of America.
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Armstrong, Illinois (IL) of US, Zip - 61812 . Coordinates - 40.2175, -87.8943
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Package delivery, Postal Service, Mail service for 61812 as well others
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USPS, Founded by United States Congress in 1971, Headquarters - Washington, DC, US.
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Disclaimer: The above zip details is updated as available from USPS Website. Visitors are advised to verify details with the respective Postal Office before using the information provided.