|Information about NXX prefix 243|
|Interactive map of De Soto, Missouri|
|Telephone Company||Level 3 Communications, LLC|
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Missouri is serviced by area code 636 and the local prefix 243 covers De Soto. For specific questions about numbers within 636-243, you may want to contact Level 3 Communications, LLC directly.
This is a list of phone prefixes assigned to each company. The prefixes shown are for area code 636 only. Additionally, the list is limited to showing cities around the De Soto Missouri area.
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