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{{short description|Method of
In [[telecommunications]], an '''area code split''' is the practice of introducing a new telephone [[area code]] by geographically dividing an existing [[numbering plan area]] (NPA), and assigning area codes to the resulting divisions, but retaining the existing area code only for one of the divisions. The purpose of this practice is to provide more [[central office prefix]]es, and therefore more [[telephone number]]s, in an area with high demand for telephone services, and prevent a shortage of telephone numbers.
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