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Phone Directory 203-401 Detail

State Major City Time Zone
Connecticut New Haven Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
203-401 New Haven, CT Southern New England Telephone Co. New Haven Landline 07/04/1995

Other Series For Prefixes

203-4010###
203-4011###
203-4012###
203-4013###
203-4014###
203-4015###
203-4016###
203-4017###
203-4018###
203-4019###