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Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, or 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.
Toll-free telephone service is a telecommunication service in which subscribers are assigned telephone number in NPAs 800, 888, 877, 866, 855, 844, and 833. Calls to these numbers incur no toll charges for callers. The American Telephone & Telegraph Company (AT&T) first introduced 800 toll-free service in 1967. [2]
Callers spoof the caller ID number of the victim's actual lending institution, swindling money from those seeking financial relief.
MSI (first defined in PCI 2.2) permits a device to allocate 1, 2, 4, 8, 16 or 32 interrupts. The device is programmed with an address to write to (this address is generally a control register in an interrupt controller), and a 16-bit data word to identify it. The interrupt number is added to the data word to identify the interrupt. [1]
1698 was a common year starting on Wednesday of the Gregorian calendar and a common year starting on Saturday of the Julian calendar, the 1698th year of the Common Era (CE) and Anno Domini (AD) designations, the 698th year of the 2nd millennium, the 98th year of the 17th century, and the 9th year of the 1690s decade. As of the start of 1698 ...
Area code 710 is a special area code in the North American Numbering Plan (NANP). It was reserved for the federal government of the United States in 1983 for emergency services. [ 1 ] Since 1994, the area code has provided access for authorized personnel to the Government Emergency Telecommunications Service (GETS) in the United States, and the ...
In mathematics, the infinite series 1 / 2 + 1 / 4 + 1 / 8 + 1 / 16 + ··· is an elementary example of a geometric series that converges absolutely. The sum of the series is 1.