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: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

NXX: 922

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-922 A Washington Zone 11 MD ARTNVAARXBY  965H FRACTEL LLC 236      
240-922 2 Washington Zone 11 MD ARTNVAARXBY  965H FRACTEL LLC 236   2020-09-12   

Last updated: Sun, 07 Feb 2021 01:52:50 UTC

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