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  2. Contact AOL customer support

    help.aol.com/articles/account-management...

    Phone support is available for account management and password reset help, Mon-Fri: 8am-12am ET; Sat: 8am-10pm ET. For additional hours of operation for different services visit our support options page for contact info.

  3. Directory assistance - Wikipedia

    en.wikipedia.org/wiki/Directory_assistance

    To get a listing in a remote or non-local area code, directory assistance is available at 1-area code-555-1212. In some cases, a 411 call from a landline will yield local, national, and sometimes international listings. Most telephone companies permit up to two listings per 411 calls.

  4. List of United States telephone companies - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Unsourced material may be challenged and removed. Find sources: "List of United States telephone companies" – news · newspapers · books · scholar · JSTOR ( July 2010 ) ( Learn how and when to remove this message )

  5. PSTN network topology - Wikipedia

    en.wikipedia.org/wiki/PSTN_network_topology

    PSTN network topology is the switching network topology of a telephone network connected to the public switched telephone network (PSTN).. In the United States and Canada, the Bell System network topology was the switching system hierarchy implemented and operated from c. 1930 to the 1980s for the purpose of integrating the diverse array of local telephone companies and telephone numbering ...

  6. How to Do a Free Reverse Phone Lookup & the 8 Best ... - AOL

    www.aol.com/free-reverse-phone-lookup-8...

    Spy Dialer is a free reverse phone lookup service that accesses public databases of registered phone numbers to help users find information on cell phone and landline numbers and emails.

  7. Telecommunications engineering - Wikipedia

    en.wikipedia.org/wiki/Telecommunications_engineering

    A central-office engineer is responsible for designing and overseeing the implementation of telecommunications equipment in a central office (CO for short), also referred to as a wire center or telephone exchange [21] A CO engineer is responsible for integrating new technology into the existing network, assigning the equipment's location in the ...

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