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: 347

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
415-347 A San Francisco: Juniper DA CA SNFCCA01XGX  516C AT&T CORP. 722      
415-347 0 San Francisco: Juniper DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-01-08   
415-347 1 San Francisco: Juniper DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-01-08   
415-347 2 San Francisco: Juniper DA CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-06-21   
415-347 3 San Francisco: Juniper DA CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2007-08-20   
415-347 4 San Francisco: Juniper DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2008-11-20   
415-347 5 San Francisco: Juniper DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2008-11-20   
415-347 6 San Francisco: Juniper DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2008-11-20   
415-347 7 San Francisco: Juniper DA CA SNFCCA01XGX  516C AT&T CORP. 722   2006-05-15   
415-347 8 San Francisco: Juniper DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-11-20   
415-347 9 San Francisco: Juniper DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-01-08   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.