e/Area code 636

Information
has gloss	eng: Area code 636 serves east central Missouri near the St. Louis area, excluding the city of St. Louis and most of St. Louis County. It includes parts of Chesterfield, and all of Union, De Soto, Troy, St. Charles County, Jefferson County, and Warren County. Area code 314, the area code for St. Louis and some of its suburbs, formerly extended to Washington County and St. Francois County. 636 was created when 314 was split into two areas.
lexicalization	eng: Area code 636
instance of	c/Area codes in Missouri