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Phone Directory 860-663 Detail

State Major City Time Zone
Connecticut Hartford Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
860-663 Killingworth, CT Southern New England Telephone Co. Middlesex Landline 01/10/1996

Other Series For Prefixes

860-6630###
860-6631###
860-6632###
860-6633###
860-6634###
860-6635###
860-6636###
860-6637###
860-6638###
860-6639###