Lebanon, MO is assigned area code 417. Area code 417 was created from a split of area code 314 and 816 and put into service on January 1, 1950.
In addition to Lebanon, MO area code 417 serves much of southwestern Missouri including the larger cities and communities of Branson, Joplin, Lebanon, Nixa, and Springfield, along with many smaller communities in southwest Missouri.
Lebanon, MO is located in Laclede County and observes the Central Time Zone.
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