Dequincy, LA is a city located in Calcasieu County, Louisiana and has a land area of 178.43 square miles (462.13 km2). The water area for the city is 0.78 square miles or 2.02 km2. There is one unique zip code in Dequincy, Louisiana and it is 70633. The area code(s) for Dequincy is 337.
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