– phone area 636-665
📌Old Monroe, MO
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Area code 636-665 is assigned to Old Monroe, MO.

Main city: Old Monroe
Timezone: Central
Phone type: Landline
Operator: Centurytel Missouri LLC (southwest)dba Centurylink

Old Monroe, a city in Lincoln County, Missouri, United States. The population was 265 at the 2010 census. source

Area code 636 serves east-central Missouri, excluding the city of St. Louis and most of St. Louis County. 636 includes parts of the community of Chesterfield, Fenton, and all of Washington, Union, De Soto, Troy, St. Charles, Jefferson, and Warren counties. Area code 314, now assigned to St. Louis and some suburbs, formerly extended to Washington and St. Francois counties. source

Phone number full length is 10 digits: (636) 665-xxxx

International format length is 11 digits: +1 (636) 665-xxxx

Number can be also written as: 636-665, 636665, +1-636-665

Most requested numbers in the neighborhood:
636-665-5226, 636-665-8377, 636-665-5403, 636-665-6725, 636-665-9511