DETAILED LOOKUP FOR 203, 860, 475, 959

Detailed Lookup for 203, 860, 475, 959

Connecticut Area Codes: A Complete Guide Connecticut has four area codes serving different regions, and knowing which one applies to which city can help with everything from phone identification to business setup. Map of Connecticut Area Codes What Are the Area Codes in Connecticut? Here’s a detailed look at the area code breakdown: 203

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