314 area code

314 Area Code – Get Local Phone Number for St. Louis, Missouri

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Where is 314 area code?

The 314 area code is located in Missouri, United States. It is an overlay of area code 557. These two area codes touch two counties, St. Louis and Louis counties, and include major cities like St. Louis, Florissant, Oakville, University City, Mehlville, and Maryland Heights.

314 stands among the initial 86 area codes established by AT&T and the Bell System in 1947. In 2022, area code 557 was created, and currently, its overlay to 314. With a population of 319,294, St. Louis is one of Missouri’s most densely populated cities.

Some of the nearby area codes are 573 (Columbia, MO), 636 (O’Fallon, MO), 314/557 (St. Louis, MO), and 217/447 (Springfield, IL). Additionally, area code 314 follows the Central time