Area Code 636

There are 427 phone number prefixes within area code 636. Additionally, there are more than 2,600 phone numbers in this area code that have received at least one user report. The location of calls from area code 636 is Missouri, USA. Most numbers in this area code are in US Central time, where the time is currently 5:19:01 AM on August 3, 2025.
 
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