Area code 000

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Area code 000, while not a valid United States area code, is actually an "outbound-only" area code. This code may show up as part of a number on a caller id system when receiving telemarketer outbound calls or from VoIP services, such as Skype or Vonage.[1]

[edit] References

  1. ^ Nielson, Julie - AT&T Operator. Personal interview. 10 April 2007.