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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 415 [Rate centres in NPA 415] [Dial plan for NPA 415]

NXX: 324

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
415-324 A Sausalito CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
415-324 0 Sausalito CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2013-11-18   
415-324 1 Sausalito CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
415-324 2 Sausalito CA SNFCCAMKX9X  073H TELNYX LLC 722   2021-02-25   
415-324 3 Sausalito CA SNFCCA01DS5  7421 AT&T - LOCAL 722   2003-02-04   
415-324 4 Sausalito CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2013-11-30   
415-324 5 Sausalito CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-04-10   
415-324 6 Sausalito CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2013-11-30   
415-324 7 Sausalito CA SNFCCA01XGX  516C AT&T CORP. 722   2006-06-30   
415-324 8 Sausalito CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2006-06-22   
415-324 9 Sausalito CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2008-12-27   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.