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: 242 [Rate centres in NPA 242] [Dial plan for NPA 242]

NXX: 820

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
242-820 A Cellular BA SWCHBAUNKNO  905H NEWCO2015 LIMITED 824      

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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