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.

OCN: 7262 XO CALIFORNIA, INC.

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
415-325 9 San Francisco: Juniper DA CA FRMTCAEDDS2  722   2005-06-02   
415-347 3 San Francisco: Juniper DA CA FRMTCAEDDS2  722   2007-08-20   
415-360 5 Mill Valley CA FRMTCAEDDS2  722   2007-04-15   
415-367 A Sausalito CA FRMTCAEDDS0  722      
415-367 2 Sausalito CA FRMTCAEDDS0  722   2004-12-09   
415-367 7 Sausalito CA FRMTCAEDDS0  722      
415-367 8 Sausalito CA FRMTCAEDDS0  722   2005-06-17   
415-367 9 Sausalito CA FRMTCAEDDS0  722   2006-06-22   
415-368 A San Francisco: Montrose-Evergreen DA CA FRMTCAEDDS0  722      
415-368 0 San Francisco: Montrose-Evergreen DA CA FRMTCAEDDS0  722      
415-375 7 San Francisco: Montrose-Evergreen DA CA FRMTCAEDDS0  722   2004-12-07   
415-390 A Point Reyes CA FRMTCAEDDS0  722      
415-390 1 Point Reyes CA FRMTCAEDDS0  722      
415-390 3 Point Reyes CA FRMTCAEDDS0  722   2006-10-21   
415-390 7 Point Reyes CA FRMTCAEDDS2  722   2005-06-04   
415-390 8 Point Reyes CA FRMTCAEDDS2  722   2005-06-04   
415-400 2 San Francisco: Central DA CA FRMTCAEDDS0  722   2009-04-06   
415-400 3 San Francisco: Central DA CA FRMTCAEDDS0  722   2009-04-06   
415-418 3 San Francisco: Montrose-Evergreen DA CA FRMTCAEDDS2  722   2007-06-09   
415-418 6 San Francisco: Montrose-Evergreen DA CA FRMTCAEDDS2  722   2007-06-09   
415-450 2 San Rafael CA FRMTCAEDDS2  722   2005-06-04   
415-450 3 San Rafael CA FRMTCAEDDS2  722   2005-06-04   
415-450 4 San Rafael CA FRMTCAEDDS2  722   2005-06-04   
415-463 2 San Francisco: Montrose-Evergreen DA CA FRMTCAEDDS2  722   2012-07-27   
415-475 7 Ignacio CA FRMTCAEDDS2  722   2007-06-01   
415-480 6 Sausalito CA FRMTCAEDDS0  722   2008-06-22   
415-493 0 Novato CA FRMTCAEDDS2  722   2007-04-09   
415-493 7 Novato CA FRMTCAEDDS2  722   2006-04-01   
415-494 A San Francisco: Juniper DA CA FRMTCAEDDS0  722      
415-494 0 San Francisco: Juniper DA CA FRMTCAEDDS0  722      
415-494 2 San Francisco: Juniper DA CA FRMTCAEDDS0  722      
415-494 6 San Francisco: Juniper DA CA FRMTCAEDDS0  722      
415-500 2 San Francisco: Central DA CA FRMTCAEDDS2  722   2010-12-20   
415-500 3 San Francisco: Central DA CA FRMTCAEDDS2  722   2010-12-20   
415-500 4 San Francisco: Central DA CA FRMTCAEDDS2  722   2010-12-20   
415-500 7 San Francisco: Central DA CA FRMTCAEDDS2  722   2010-12-20   
415-500 8 San Francisco: Central DA CA FRMTCAEDDS2  722   2010-12-20   
415-500 9 San Francisco: Central DA CA FRMTCAEDDS2  722   2010-12-20   
415-524 2 San Rafael CA FRMTCAEDDS2  722   2010-09-16   
415-524 4 San Rafael CA FRMTCAEDDS2  722   2006-11-17   
415-544 5 San Francisco: Central DA CA FRMTCAEDDS0  722   2008-08-08   
415-574 2 San Francisco: Montrose-Evergreen DA CA FRMTCAEDDS2  722   2005-06-02   
415-574 3 San Francisco: Montrose-Evergreen DA CA FRMTCAEDDS2  722   2005-06-02   
415-574 4 San Francisco: Montrose-Evergreen DA CA FRMTCAEDDS2  722   2005-06-02   
415-590 A San Francisco: Central DA CA FRMTCAEDDS2  722      
415-590 2 San Francisco: Central DA CA FRMTCAEDDS2  722   2012-05-06   
415-590 3 San Francisco: Central DA CA FRMTCAEDDS2  722   2012-05-06   
415-590 4 San Francisco: Central DA CA FRMTCAEDDS2  722   2012-05-06   
415-590 5 San Francisco: Central DA CA FRMTCAEDDS2  722   2012-05-06   
415-590 6 San Francisco: Central DA CA FRMTCAEDDS2  722   2012-05-06   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 >>

Last updated: Sun, 28 Feb 2021 19:06:05 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.