Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 415 [Rate centres in NPA 415] [Dial plan for NPA 415]

NXX: 548

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
415-548 A Corte Madera CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
415-548 0 Corte Madera CA   6529 T-MOBILE USA, INC. 722      
415-548 1 Corte Madera CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-07   
415-548 2 Corte Madera CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-05-28   
415-548 3 Corte Madera CA   6529 T-MOBILE USA, INC. 722      
415-548 4 Corte Madera CA   649C ONVOY, LLC - CA 722   2014-04-16   
415-548 5 Corte Madera CA   649C ONVOY, LLC - CA 722   2013-12-01   
415-548 6 Corte Madera CA   829J PAETEC ITEL, LLC 722   2013-06-04   
415-548 7 Corte Madera CA   649C ONVOY, LLC - CA 722   2009-12-18   
415-548 8 Corte Madera CA   649C ONVOY, LLC - CA 722   2013-12-01   
415-548 9 Corte Madera CA   649C ONVOY, LLC - CA 722   2014-04-16   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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