In telephony, especially in North America, an overlay plan is the practice of introducing a new area code by applying it onto a geographic area that is already occupied by one or more existing area codes, resulting in two (or more) area codes serving the same area.
Read more about Overlay Plan: Methodology, Types of Overlays, Number Pool Management
Famous quotes containing the word plan:
“Any plan conceived in moderation must fail when the circumstances are set in extremes.”
—Klemens Wenzel Neponuk Lothar Von, Prince Metternich (1773–1859)
Related Phrases
Related Words