<Ul> <Li> Bell Canyon </Li> <Li> North Ranch (part of Thousand Oaks / Westlake Village) </Li> <Li> Oak Park </Li> </Ul> <Li> North Ranch (part of Thousand Oaks / Westlake Village) </Li> <P> The 747 area code conflicted with 10 - digit Session Initiation Protocol addresses on some VoIP networks such as Gizmo5 (in the format 747NXXXXXX). Because of this conflict, some outgoing calls from VoIP networks using a 10 - digit SIP address could have been mistaken for calls originating from the actual 747 area code . </P> <P> These addresses are no longer in use as Gizmo5 service was discontinued as of April 3, 2011 . </P>

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