bn:00190049n
Noun Concept
Categories: All Wikipedia articles written in American English, All articles needing additional references, North American Numbering Plan
EN
overlay plan  area code overlay  area code overlay method  NPA code overlay  overlay area code
EN
In telecommunications, an overlay plan is a telephone numbering plan that assigns multiple area codes to a geographic numbering plan area. Wikipedia
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EN
In telecommunications, an overlay plan is a telephone numbering plan that assigns multiple area codes to a geographic numbering plan area. Wikipedia
A method of introducing new area codes in telephony Wikipedia Disambiguation
method of area code relief for an exhausted code Wikidata