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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OCN: 032H GREAT WAVE BROADBAND SERVICES, LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
440-291 1 Austinburg OH CNNTOHXADS0  320   2015-09-27   
440-335 1 Kingsville OH CNNTOHXADS0  320   2013-08-07   
440-361 2 Geneva OH CNNTOHXADS0  320   2013-08-07   
440-560 A Rock Creek OH CNNTOHXADS0  320      
440-560 1 Rock Creek OH CNNTOHXADS0  320   2013-08-02   
440-737 0 Trumbull OH CNNTOHXADS0  320   2017-08-28   
440-990 A Ashtabula OH CNNTOHXADS0  320      
440-990 1 Ashtabula OH CNNTOHXADS0  320   2013-08-02   
440-990 2 Ashtabula OH CNNTOHXADS0  320   2014-04-15   
440-990 3 Ashtabula OH CNNTOHXADS0  320   2014-04-15   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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