Area code 456 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Area code 456" in English language version.

refsWebsite
Global rank English rank
2,470th place
1,321st place

nationalnanpa.com (Global: 2,470th place; English: 1,321st place)

  • "Assignment of NPA code "456" for International Carrier Identification" (PDF). Bellcore/North American Numbering Plan Administration. 1993-08-02. Retrieved 2023-10-10.
  • "Sunset of the Inbound International NPA (INT/NPA/NXX) Assignment Guidelines" (PDF). NANPA. 2017-11-27. Retrieved 2023-10-10.
  • "NANPA : Numbering Resources - 456-NXX Codes". www.nationalnanpa.com. Retrieved 2023-04-25.