636 Area Code Phone Numbers

Where is Area Code 636?

The 636 area code is assigned to Missouri. Area code 636 is one of 0 three-digit telephone area codes in the USA. There are about 0 unique phone numbers and 0 individuals near the cities of O'Fallon,St. Charles,St. Peters.

State:Missouri
Major City:O'Fallon
Timezone:Central
Current Time: 4:40pm

Major Cities in 636 Area Code

  • O'Fallon
  • St. Charles
  • St. Peters
  • Chesterfield
  • Wildwood
  • Ballwin
  • Wentzville
  • Arnold
Area Code 636 Map
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