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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Switch: WHCYORXXDMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
458-227 A Crater Lake OR 750E ONVOY, LLC - OR 670      
458-227 1 Crater Lake OR 750E ONVOY, LLC - OR 670   2021-04-26   
458-227 3 Crater Lake OR 750E ONVOY, LLC - OR 670   2021-04-04   
458-227 4 Crater Lake OR 750E ONVOY, LLC - OR 670   2019-09-20   
458-227 5 Crater Lake OR 750E ONVOY, LLC - OR 670   2020-02-22   
458-227 6 Crater Lake OR 750E ONVOY, LLC - OR 670   2021-02-11   
458-227 7 Crater Lake OR 750E ONVOY, LLC - OR 670   2016-05-19   
458-227 8 Crater Lake OR 750E ONVOY, LLC - OR 670   2016-05-19   
458-227 9 Crater Lake OR 750E ONVOY, LLC - OR 670   2022-06-28   
458-265 3 White City OR 750E ONVOY, LLC - OR 670   2023-05-11   
458-265 5 White City OR 750E ONVOY, LLC - OR 670   2021-08-13   
458-313 A White City OR 750E ONVOY, LLC - OR 670      
458-313 0 White City OR 750E ONVOY, LLC - OR 670   2024-07-08   
458-313 1 White City OR 750E ONVOY, LLC - OR 670   2024-11-04   
458-313 2 White City OR 750E ONVOY, LLC - OR 670   2023-11-25   
458-313 3 White City OR 750E ONVOY, LLC - OR 670   2023-11-25   
458-313 8 White City OR 750E ONVOY, LLC - OR 670   2024-12-16   
458-451 A Butte Falls OR 750E ONVOY, LLC - OR 670      
458-451 4 Butte Falls OR 750E ONVOY, LLC - OR 670   2023-02-04   
458-451 5 Butte Falls OR 750E ONVOY, LLC - OR 670   2023-02-04   
458-505 2 Shady Cove OR 750E ONVOY, LLC - OR 670   2023-03-03   
458-505 4 Shady Cove OR 750E ONVOY, LLC - OR 670   2021-08-13   
541-538 6 White City OR 750E ONVOY, LLC - OR 670   2022-08-13   
541-560 5 Prospect OR 750E ONVOY, LLC - OR 670   2021-08-13   
541-793 5 Diamond Lake OR 750E ONVOY, LLC - OR 670   2021-08-13   
541-865 1 Butte Falls OR 750E ONVOY, LLC - OR 670   2022-08-13   
541-865 6 Butte Falls OR 750E ONVOY, LLC - OR 670   2021-08-13   
541-949 2 Fish Lake OR 750E ONVOY, LLC - OR 670   2021-08-13   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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