Area code 573

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The 573 area code covers a large area of the state of Missouri. While excluding the St. Louis area, it is roughly the shape of a triangle with Lake of the Ozarks as the western tip, the north-east corner of Missouri as the north-eastern tip, and Thayer, MO as the south-eastern tip, including the Missouri Bootheel area.

• List of North American area codes
• North American Numbering Plan
• North American Numbering Plan Administration
• NANPA Area Code Map of Missouri
• Whitepages Area code Map