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: 775 [Rate centres in NPA 775] [Dial plan for NPA 775]

NXX: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
775-637 A Gabbs NV RENONV127MD  029F ONVOY, LLC - NV 720      
775-637 0 Gabbs NV RENONV029MD  075F BANDWIDTH.COM CLEC, LLC - NV 720   2018-06-07   
775-637 1 Gabbs NV RENONV127MD  029F ONVOY, LLC - NV 720   2017-04-10   
775-637 2 Gabbs NV RENONV12OMD  965H FRACTEL, LLC 720   2020-08-02   
775-637 3 Gabbs NV RENONV127MD  029F ONVOY, LLC - NV 720   2019-12-14   
775-637 4 Gabbs NV RENONV12LMD  624H ONVOY SPECTRUM, LLC 720   2023-11-20   
775-637 5 Gabbs NV RENQNVDD0MD  939H COMMIO, LLC 720   2022-10-23   
775-637 6 Gabbs NV RENONV034MD  516C AT&T CORP. 720   2025-01-22   
775-637 7 Gabbs NV RENONV12FMD  508J CENTURYLINK COMMUNICATIONS, LLC 720   2017-06-30   
775-637 8 Gabbs NV   515J IP HORIZON LLC 720   2022-04-21   
775-637 9 Gabbs NV RENONV12IMD  073H TELNYX LLC 720   2021-12-05   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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