Haddam Neck, Connecticut Area Code
Haddam Neck, CT is officially utilizing two area codes which are area codes 860 and 959.
In addition to Haddam Neck, CT area code information read more details about area codes 860 and 959 and Connecticut area codes.
Haddam Neck, CT is located in Middlesex County and observes the Eastern Time Zone. View our Times by Area Code tool.
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