Area code 203 is the North American telephone area code that covers the southwestern part of Connecticut. The area code stretches from its western border, along its southern coast, to beyond the city of New Haven, and ends just south of Hartford. (The rest of Connecticut is served by the 860 area code.) It overlays with area code 475. The area encompassed by 203 roughly corresponds to the part of Connecticut belonging to metro NYC, the Tri-state region.
Area codes 203 and 475
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general information about Area codes 203 and 475
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Aliases:
0085-8e14
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