Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 217 [Rate centres in NPA 217] [Dial plan for NPA 217]

NXX: 248

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-248 A Jacksonville IL JCVLILAA1MD  6265 UNITED STATES CELLULAR - IL 376      

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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