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: BOISIDMAXIX

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
208-991 1 Boise ID 689F ONVOY, LLC - ID 652   2008-11-08   
208-991 9 Boise ID 689F ONVOY, LLC - ID 652   2009-03-14   
208-993 7 Salmon ID 689F ONVOY, LLC - ID 652   2010-10-24   
208-993 8 Salmon ID 689F ONVOY, LLC - ID 652   2011-10-21   
208-994 A Boise ID 689F ONVOY, LLC - ID 652      
208-994 0 Boise ID 689F ONVOY, LLC - ID 652   2009-10-19   
208-994 7 Boise ID 689F ONVOY, LLC - ID 652   2010-06-05   
208-995 8 Boise ID 689F ONVOY, LLC - ID 652   2011-05-23   
208-996 8 Boise ID 689F ONVOY, LLC - ID 652   2014-12-02   
208-999 A Boise ID 689F ONVOY, LLC - ID 652      
208-999 4 Boise ID 689F ONVOY, LLC - ID 652   2014-04-12   
208-999 5 Boise ID 689F ONVOY, LLC - ID 652   2014-04-12   
208-999 9 Boise ID 689F ONVOY, LLC - ID 652   2014-01-08   
307-392 0 Border WY 450F ONVOY, LLC - WY 652   2012-12-13   
307-392 1 Border WY 450F ONVOY, LLC - WY 652   2012-12-13   
307-392 3 Border WY 450F ONVOY, LLC - WY 652   2012-12-13   
307-392 5 Border WY 450F ONVOY, LLC - WY 652   2019-09-07   
307-392 7 Border WY 450F ONVOY, LLC - WY 652   2007-04-27   
307-392 8 Border WY 450F ONVOY, LLC - WY 652   2011-06-05   
307-500 A Border WY 450F ONVOY, LLC - WY 652      
307-500 1 Border WY 450F ONVOY, LLC - WY 652   2021-07-11   
307-500 5 Border WY 450F ONVOY, LLC - WY 652   2021-04-06   
307-500 6 Border WY 450F ONVOY, LLC - WY 652   2021-04-06   
458-224 1 Ontario OR 750E ONVOY, LLC - OR 652   2017-03-30   
458-224 3 Ontario OR 750E ONVOY, LLC - OR 652   2017-12-23   
458-224 5 Ontario OR 750E ONVOY, LLC - OR 652   2019-05-23   
458-224 6 Ontario OR 750E ONVOY, LLC - OR 652   2019-05-23   
458-224 8 Ontario OR 750E ONVOY, LLC - OR 652   2020-09-06   
458-251 A Ontario OR 750E ONVOY, LLC - OR 652      
458-251 3 Ontario OR 750E ONVOY, LLC - OR 652   2020-09-06   
458-251 4 Ontario OR 750E ONVOY, LLC - OR 652   2020-03-28   
458-251 5 Ontario OR 750E ONVOY, LLC - OR 652   2020-03-28   
458-252 4 Oregon Slope OR 750E ONVOY, LLC - OR 652   2021-03-05   
458-252 5 Oregon Slope OR 750E ONVOY, LLC - OR 652   2021-03-05   
458-252 7 Oregon Slope OR 750E ONVOY, LLC - OR 652   2021-12-23   
458-252 9 Oregon Slope OR 750E ONVOY, LLC - OR 652   2023-09-16   
458-276 1 Ontario OR 750E ONVOY, LLC - OR 652   2024-08-25   
458-276 2 Ontario OR 750E ONVOY, LLC - OR 652   2024-10-05   
458-276 3 Ontario OR 750E ONVOY, LLC - OR 652   2024-11-11   
458-289 8 Ontario OR 750E ONVOY, LLC - OR 652   2025-02-02   
458-289 9 Ontario OR 750E ONVOY, LLC - OR 652   2025-04-11   
458-446 A Ontario OR 750E ONVOY, LLC - OR 652      
458-446 1 Ontario OR 750E ONVOY, LLC - OR 652   2023-10-21   
458-446 4 Ontario OR 750E ONVOY, LLC - OR 652   2021-04-09   
458-446 5 Ontario OR 750E ONVOY, LLC - OR 652   2021-04-09   
458-446 6 Ontario OR 750E ONVOY, LLC - OR 652   2024-03-08   
458-446 8 Ontario OR 750E ONVOY, LLC - OR 652   2024-12-16   
458-457 2 Nyssa OR 750E ONVOY, LLC - OR 652   2021-12-16   
458-457 5 Nyssa OR 750E ONVOY, LLC - OR 652   2022-11-07   
541-262 0 Oregon Slope OR 750E ONVOY, LLC - OR 652   2016-04-14   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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