Area code 314

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The area code 314 serves the independent city of St. Louis, Missouri, and most suburbs located in neighboring St. Louis County.

It is bordered by area code 618 across the Mississippi River in Illinois, and by area code 636 in Missouri, which acts as an envelope around the 314 area.

History[edit]

Area code 314 was one of the original area codes created in October 1947. It originally covered most of the eastern half of Missouri, from the Illinois border to Jefferson City. It stretched along nearly the entire width of the state along the Mississippi River. It was split on January 7, 1996, when most of the western and southern portion was assigned to area code 573, leaving 314 to cover most of the immediate St. Louis metropolitan area.

The creation of 573 was intended to be a long-term solution. Within only two years, however, 314 was close to exhaustion once again due to the proliferation of cell phones, fax machines and pagers. The supply of numbers was further limited because the St. Louis LATA extends across much of the southern portion of Illinois, meaning several numbers that were part of Illinois' 618 weren't available for use. As a result, 314 was reduced to its current size on May 22, 1999, when area code 636 was assigned to St. Louis' outer western suburbs. Before the introduction of number portability, 314 was used for all cell phones on the Missouri side of the St. Louis area.

In 2000, the Missouri Public Service Commission announced plans to add area code 557 as an overlay of the 314 area code, but soon postponed indefinitely the May 5, 2002, implementation date when the commission found no immediate need for more phone numbers.

See also[edit]

External links[edit]


Missouri area codes: 314, 417, 573, 636, 660, 816
North: 636
West: 636area code 314East: 618
South: 573
Illinois area codes: 217, 224, 309, 312, 331, 618, 630, 708, 773, 779, 815, 847, 872

Coordinates: 38°37′N 90°13′W / 38.62°N 90.22°W / 38.62; -90.22