Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: CRALIDXXKMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
208-997 A Moscow ID 7558 LEVEL 3 COMMUNICATIONS, LLC - ID 960      
208-997 2 Moscow ID 7558 LEVEL 3 COMMUNICATIONS, LLC - ID 960   2014-11-22   
406-283 3 Libby MT 9415 LEVEL 3 COMMUNICATIONS, LLC - MT 960   2017-04-01   
406-295 8 Troy MT 9415 LEVEL 3 COMMUNICATIONS, LLC - MT 960   2017-04-01   
406-405 4 Libby MT 9415 LEVEL 3 COMMUNICATIONS, LLC - MT 960   2023-05-14   
509-339 1 Pullman WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 960   2021-05-18   
509-550 5 Newport WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 960   2016-02-28   
509-592 4 Pullman WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 960   2002-07-01   
509-715 A Pullman WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 960      
509-715 0 Pullman WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 960      
509-715 3 Pullman WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 960   2018-10-26   
509-872 5 Garrison WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 960   2004-11-17   
509-878 3 Palouse WA 6121 LEVEL 3 COMMUNICATIONS, LLC - WA 960   2004-11-17   
986-262 5 St Maries ID 7558 LEVEL 3 COMMUNICATIONS, LLC - ID 960   2023-12-23   
986-348 5 Bonners Ferry ID 7558 LEVEL 3 COMMUNICATIONS, LLC - ID 960   2021-04-21   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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