Area code 456

Area code 456 is a non-geographic area code used to route inbound calls from locations outside the North American Numbering Plan Area to specific carriers for carrier-specific services.[1]

References

  1. ↑ "Assignment of NPA code "456" for International Carrier Identification" (PDF). Bellcore/North American Numbering Plan Administration. 1993-08-02. Retrieved 2008-08-28.

See also

External links

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