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  2. Telephone numbers in Australia - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Australia

    To access numbers in the same area, it is necessary only to dial the eight digits concerned. To access a number in another area it is first necessary to dial the trunk code of 0, followed by the area code (2, 3, 7 or 8) and then the specific local number. The area codes do not exactly match state/territory boundaries.

  3. Vertical service code - Wikipedia

    en.wikipedia.org/wiki/Vertical_service_code

    On a touch tone telephone, the codes are usually initiated with the star key, resulting in the commonly used name star codes. On rotary dial telephones, the star is replaced by dialing 11 . In North American telephony , VSCs were developed by the American Telephone and Telegraph Company (AT&T) as Custom Local Area Signaling Services ( CLASS or ...

  4. 000 (emergency telephone number) - Wikipedia

    en.wikipedia.org/wiki/000_(emergency_telephone...

    In 1961, the Postmaster-General's Department started introducing the 000 telephone number in major population centres, and during the 1960s, extended its coverage to nationwide. The number 000 was chosen for several reasons. Technically, it suited the dialling system for the most remote automatic exchanges, particularly those in outback ...

  5. Automatic number announcement circuit - Wikipedia

    en.wikipedia.org/wiki/Automatic_number...

    Many area codes reserved 999; 320 was also formerly reserved in Bell Canada territory. Other carrier-specific North American test numbers include 555-XXXX numbers (such as 555–0311 on Rogers Communications in Canada) or vertical service codes , such as *99 on Cablevision/Optimum Voice in the United States.

  6. 30 Scam Phone Numbers To Block and Area Codes To Avoid - AOL

    www.aol.com/finance/19-dangerous-scam-phone...

    Look at the area code: Start by comparing the phone number’s area code to the list of area codes you should never answer. If it’s on the list, there’s a good chance there’s a scammer on ...

  7. Telstra - Wikipedia

    en.wikipedia.org/wiki/Telstra

    Telstra Group Limited is an Australian telecommunications company that builds and operates telecommunications networks and markets related products and services. It is a member of the S&P/ASX 20 stock index, and is Australia's largest telecommunications company by market share.

  8. TPG Telecom - Wikipedia

    en.wikipedia.org/wiki/TPG_Telecom

    The decision was appealed by Telstra and TPG, but the ACCC's decision was reaffirmed in mid-2023. The two parties stated they would consider their options including further appeals. [21] Some public commentary suggested it would be unprofitable for Optus to invest in regional internet infrastructure even without Telstra and TPG utilising market ...

  9. Optus - Wikipedia

    en.wikipedia.org/wiki/Optus

    Customers who remained with Telstra could dial the override code of 1456 before the area code and phone number to manually select Optus as the carrier for that single call. Since 1 July 1998, consumers have the choice of preselecting their preferred long-distance carrier or dialling the override code before dialling a telephone number.