Zabasearch Intelius

Prefix 1-860-663-4XXX

Prefix 1-860-663-4XXX is primarily used in Killingworth, Connecticut and includes 51 phone numbers and 89 listings

CityKillingworth
StateConnecticut
ZIP06419
County FIPS09130
Rate CenterKillingworth
Thousand Block4
Line TypeLandline
Time ZoneEastern
Carrier OCN639C
Carrier CategoryC
Overlay
Parent Area Code203
PortableYes
PooledYes
DisconnectedNo
First SeenApril 1, 1993
Last SeenFebruary 1, 2026

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