Numbering
41numbering plan area — (NPA) A geographical division (expressed as three numbers) within which no two telephones are assigned the same 7 digit number. The first number is any number between 2 and 9; the second is always 1 or 0; and the third is any number… …
42numbering machine — noun : a device for the rapid stamping or printing of usually consecutive numbers on successive pages, sheets, or discrete items …
43Telephone numbering plan — Area Code redirects here. For the song by Ludacris, see Area Codes (song). A telephone numbering plan is a type of numbering scheme used in telecommunications to allocate telephone numbers to subscribers and to route telephone calls in a… …
44North American Numbering Plan — NANPA redirects here. For other uses, see Nanpa (disambiguation). This article is about the numbering plan. For a list of area codes under the plan, see List of North American Numbering Plan area codes. The North American Numbering Plan (NANP) is …
45Great Britain road numbering scheme — The numbering zones for A B roads in Great Britain The Great Britain road numbering scheme is a numbering scheme used to classify and identify all roads in Great Britain. Each road is given a single letter, which represents the road s category,… …
46List of North American Numbering Plan area codes — This is a list of North American telephone area codes in effect for the North American Numbering Plan (NANP). The area to which an area code is officially assigned is known as a Numbering Plan Area (NPA). Contents 1 200 2 300 3 400 4 …
47House numbering — [ Central European house number.] House numbering is the system of giving a unique number to each building in a street or area, with the intention of making it easier to locate a particular building. The house number is often part of a postal… …
48Genealogical numbering systems — Several genealogical numbering systems have been widely adopted for presenting family trees and pedigree charts in text format. Among the most popular numbering systems are: Ahnentafel (Sosa Stradonitz Method), and the Register, NGSQ, Henry, d… …
49British Rail locomotive and multiple unit numbering and classification — A number of different numbering and classification schemes were used for locomotives and multiple units operated by British Railways (BR), and this page explains the principal systems. This section also covers the post privatisation period, as… …
50Bates numbering — Bates Automatic Numbering Machine, circa 1906, with a number printed by the machine. Bates numbering (also known as Bates stamping, Bates branding, Bates coding or Bates labeling) is used in the legal, medical, and business fields to place… …
