Local Number Portability (LNP): The ability of subscribers to switch local or wireless carriers and still retain the same phone number, as they can now with long-distance carriers. Wireless carriers do not have to offer LNP until March 2002 and seek further postponement of this deadline.

 

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Local Number Portability (LNP): The ability of subscribers to switch local or wireless carriers and still retain the same phone number, as they can now with long-distance carriers. Wireless carriers do not have to offer LN . . . View Full Definition

National Emergency Numbering Association (NENA): NENA's mission is to foster the technological advancement, availability and implementation of a universal emergency telephone number system.

N-Numbers: Federal government aircraft registration numbers. U.S. registered aircraft numbers begin with “N” (example: N23299F).

Mobile Identification Number (MIN): Uniquely identifies a mobile unit within a wireless carrier's network. The MIN often can be dialed from other wireless or wireline networks. The number differs from the electronic serial num . . . View Full Definition

North American Numbering Council (NANC): The FCC advisory group formerly responsible for administering the North American Numbering Plan that oversees assignment of area codes, central office codes and other numbering issues in the . . . View Full Definition

Number Assignment Module (NAM): The NAM is the electronic memory in the cellular phone that stores the telephone number and an electronic serial number. Phones with dual- or multi-NAM features offer users the option of reg . . . View Full Definition

Number Of Days Sales In Receivables: A measure of the average number of days it takes to collect a credit sale: computed by dividing 365 days by the accounts receivable turnover.

Number Of Days Of Inventory On Hand: An alternative measure of how well inventory is being managed: computed by dividing 365 days by the inventory turnover ratio.

Mass Number: The total number of protons and neutrons in an atom or ion. In nuclide symbols the mass number is given as a leading superscript. In isotope names (e. G. Carbon-14, sodium-23) the mass numbe . . . View Full Definition

Magnetic Quantum Number: Quantum number that labels different orbitals within a subshell. Mell can take on values from -ell to +ell. The number of orbitals in a subshell is the same as the number of possible mell values.