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Toll-free telephone numbers in the North American Numbering Plan. 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 ...
NIST Special Publication 800-53 is an information security standard that provides a catalog of privacy and security controls for information systems. Originally intended for U.S. federal agencies except those related to national security, since the 5th revision it is a standard for general usage. It is published by the National Institute of ...
A toll-free telephone number or freephone number is a telephone number that is billed for all arriving calls. For the calling party, a call to a toll-free number from a landline is free of charge. A toll-free number is identified by a dialing prefix similar to an area code. The specific service access varies by country.
nist.gov. The National Institute of Standards and Technology ( NIST) is an agency of the United States Department of Commerce whose mission is to promote American innovation and industrial competitiveness. NIST's activities are organized into physical science laboratory programs that include nanoscale science and technology, engineering ...
All telephone numbers in Iran have 11 digits (initial 0 and ten digits). The first two or three digits after the zero are the area code. The possibilities are: (0xx) xxxx xxxx (for landlines), 09xx xxx xxxx (for cellphones) and 099xx xxx xxx (for MVNO ). When making a call within the same landline area code, initial 0 plus the area code must be ...
The National Do Not Call Registry is a database maintained by the United States federal government, listing the telephone numbers of individuals and families who have requested that telemarketers not contact them. [1] Certain callers are required by federal law to respect this request. Separate laws and regulations apply to robocalls in the ...
A United States data item description ( DID) is a completed document defining the data deliverables required of a United States Department of Defense contractor. [1] A DID specifically defines the data content, format, and intended use of the data with a primary objective of achieving standardization objectives by the U.S. Department of Defense.
RespOrg. A RespOrg, or responsible organization, is a company that maintains the registration for individual toll-free telephone numbers In the North American Numbering Plan by means of the distributed Service Management System/800 database. RespOrgs were established in 1993 as part of a Federal Communications Commission order instituting toll ...