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Phone Directory 203-230 Detail

State Major City Time Zone
Connecticut New Haven Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
203-230 New Haven, CT Southern New England Telephone Co. New Haven Landline 02/04/1994

Other Series For Prefixes

203-2300###
203-2301###
203-2302###
203-2303###
203-2304###
203-2305###
203-2306###
203-2307###
203-2308###
203-2309###