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2. Vertical service code - Wikipedia

   en.wikipedia.org/wiki/Vertical_service_code

   In North American telephony, VSCs were developed by the American Telephone and Telegraph Company (AT&T) as Custom Local Area Signaling Services (CLASS or LASS) codes in the 1960s and 70s. Their use became ubiquitous throughout the 1990s and eventually became a recognized standard. As CLASS was an AT&T trademark, the term vertical service code ...

3. Toll-free telephone numbers in the North American Numbering ...

   en.wikipedia.org/wiki/Toll-free_telephone...

   Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, and 888. Additionally, area codes 822, 880 through 887, and 889 are reserved for toll-free use in the future. 811 is excluded because it is a special dialing code in the group NXX for various other purposes.

4. North American Numbering Plan - Wikipedia

   en.wikipedia.org/wiki/North_American_Numbering_Plan

   Most area codes of the form N10, originally reserved for AT&T's Teletypewriter eXchange (TWX) service, were transferred to Western Union in 1969 and were freed for other use in 1981 after conversion to Telex II service was complete. The last of these, 610, was assigned to Canada, but reassigned in 1992. These new area codes, as well as a few ...

5. Star Codes: Oct. 14-20 - AOL

   www.aol.com/news/star-codes-oct-14-20-150500707.html

   For premium support please call: 800-290-4726 more ways to reach us

6. Automatic number announcement circuit - Wikipedia

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

   In some area codes, multiple additional prefixes may be reserved for test purposes. 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 ...

7. Last-call return - Wikipedia

   en.wikipedia.org/wiki/Last-call_return

   Call again, a form of automatic ring back, allows a caller, on reaching a busy signal, to hang up, dial a special code, and be called back automatically when the called number is no longer busy, usually with a limit of 30 minutes. Call return allows a customer to dial a code that identifies the last incoming call. On some types of central ...

8. AT&T Wants To Cut the Cord on Your Landline Phone - AOL

   www.aol.com/news/2012-11-13-att-landline-phone...

   In AT&T's third-quarter earnings report, the company announced it will invest $14 billion in wireless and wireline IP broadband networks, where, including managed IT services, the company expects ...

9. Who still owns a landline phone? You might be surprised at ...

   www.aol.com/still-owns-landline-phone-might...

   Only about 5% of the households AT&T serves use copper-based landlines, a company spokesperson said. Most landlines now make calls through an internet connection.