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  2. Telephone number pooling - Wikipedia

    en.wikipedia.org/wiki/Telephone_number_pooling

    Public resistance to the introduction of new area codes, whether as overlay complexes (which allowed customers to keep their existing numbers, but broke seven-digit local calling) or by area code splits (where the area code of existing numbers was changed), prompted the FCC and state commissions to introduce thousands-block number pooling, i.e. the allocation of number space in blocks of only ...

  3. Vertical service code - Wikipedia

    en.wikipedia.org/wiki/Vertical_service_code

    Some vertical service codes require dialing of a telephone number after the code sequence. 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.

  4. North American Numbering Plan expansion - Wikipedia

    en.wikipedia.org/wiki/North_American_Numbering...

    The North American Numbering Plan is based on a ten-digit telephone number assigned to each telephone in the telephone network. The number is composed of the three-digit numbering plan area code, a three-digit central office code, and a four-digit station or line number. Certain rules govern the numerical format of each part.

  5. Add access phone numbers to AOL Dialer

    help.aol.com/.../manually-add-access-phone-numbers

    Connect an access number to AOL Dialer. 1. Click Connection Settings from the mail AOL Dialer page and follow the prompts. 2. Enter your location and connection type and click Next. 3. Select your dialing options and click Next. 4. Enter your area code and click Next. 5. Select 2-3 access phone numbers and click Next.

  6. Seven-digit dialing - Wikipedia

    en.wikipedia.org/wiki/Seven-digit_dialing

    This was the standard in most of North America from the 1950s onward. In some small villages with only one local exchange, it may have been permissible to dial only the four-digit station number. Even after exchange names were introduced, it was possible in many small cities to call local numbers by dialing only the five digits which followed.

  7. Automatic number announcement circuit - Wikipedia

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

    An automatic number announcement circuit (ANAC) is a component of a central office of a telephone company that provides a service to installation and service technicians to determine the telephone number of a telephone line. The facility has a telephone number that may be called to listen to an automatic announcement that includes the caller's ...

  8. List of countries by number of telephone lines in use - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    This is a list of countries by number of telephone lines. Data are from the CIA World Factbook unless otherwise specified. [1] Location Lines Year

  9. Best Phones for Hard of Hearing Users - AOL

    www.aol.com/best-phones-hard-hearing-users...

    Amplified landline phones are explicitly designed for hard-of-hearing users and feature adjustable sound settings to find the perfect amplification level for your needs. ... With this phone, you ...