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.
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OCN: 7262 XO CALIFORNIA, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
661-206 4 Lancaster CA SNANCALWDS1  730   2006-03-27   
661-209 3 Palmdale: Agua Dulce DA CA SNANCALWDS1  730   2007-03-25   
661-209 5 Palmdale: Agua Dulce DA CA SNANCALWDS1  730   2006-03-30   
661-225 8 Palmdale: Palmdale DA CA LNBHCATVDS0  730   2003-09-14   
661-249 5 Big Butte CA SNANCALWDS1  730   2006-03-27   
661-249 6 Big Butte CA SNANCALWDS1  730   2007-03-25   
661-262 5 Lake Hughes CA SNANCALWDS1  730   2006-03-27   
661-262 7 Lake Hughes CA SNANCALWDS1  730   2007-03-25   
661-270 2 Palmdale: Leona Valley DA CA SNANCALWDS1  730   2006-03-30   
661-347 3 Santa Clarita: Saugus Canyon Country DA CA SNANCALWDS1  730   2010-03-01   
661-360 4 Santa Clarita: Saugus Canyon Country DA CA LNBHCATVDS0  730   2005-06-17   
661-361 7 Palmdale: Palmdale DA CA LNBHCATVDS0  730   2005-06-17   
661-362 9 Santa Clarita: Newhall-Castaic DA CA LNBHCATVDS0  730   2005-06-17   
661-367 5 Santa Clarita: Saugus Canyon Country DA CA SNANCALWDS1  730   2006-09-07   
661-388 2 Santa Clarita: Newhall-Castaic DA CA SNANCALWDS1  730   2011-01-26   
661-414 8 Santa Clarita: Newhall-Castaic DA CA SNANCALWDS1  730   2008-06-12   
661-424 3 Santa Clarita: Saugus Canyon Country DA CA SNANCALWDS1  730   2005-06-17   
661-424 4 Santa Clarita: Saugus Canyon Country DA CA SNANCALWDS1  730   2005-06-17   
661-424 5 Santa Clarita: Saugus Canyon Country DA CA SNANCALWDS1  730   2005-06-17   
661-430 7 Santa Clarita: Saugus Canyon Country DA CA LNBHCATVDS0  730   2004-04-15   
661-449 4 Palmdale: Palmdale DA CA SNANCALWDS1  730   2005-06-17   
661-449 5 Palmdale: Palmdale DA CA SNANCALWDS1  730   2005-06-17   
661-449 6 Palmdale: Palmdale DA CA SNANCALWDS1  730   2005-06-17   
661-463 5 Hi Vista CA SNANCALWDS1  730   2007-03-25   
661-480 A Palmdale: Palmdale DA CA SNANCALWDS1  730      
661-480 1 Palmdale: Palmdale DA CA SNANCALWDS1  730   2006-10-23   
661-480 2 Palmdale: Palmdale DA CA SNANCALWDS1  730   2006-10-23   
661-533 4 Palmdale: Palmdale DA CA SNANCALWDS1  730   2012-12-28   
661-670 5 Santa Clarita: Newhall-Castaic DA CA SNANCALWDS1  730   2007-09-16   
661-727 2 Hi Vista CA SNANCALWDS1  730   2006-03-30   
661-753 8 Santa Clarita: Newhall-Castaic DA CA LNBHCATVDS0  730   2006-08-19   
661-857 8 Santa Clarita: Newhall-Castaic DA CA SNANCALWDS1  730   2006-07-14   
661-964 5 Santa Clarita: Newhall-Castaic DA CA LNBHCATVDS0  730   2003-09-14   
669-444 5 San Jose: West DA CA FRMTCAEDDS2  722   2012-11-23   
669-444 6 San Jose: West DA CA FRMTCAEDDS2  722   2012-11-23   
669-444 7 San Jose: West DA CA FRMTCAEDDS2  722   2012-11-23   
669-444 8 San Jose: West DA CA FRMTCAEDDS2  722   2012-11-23   
669-444 9 San Jose: West DA CA FRMTCAEDDS2  722   2012-11-23   
669-999 3 San Jose: West DA CA FRMTCAEDDS2  722   2012-11-21   
669-999 4 San Jose: West DA CA FRMTCAEDDS2  722   2012-11-21   
707-204 1 Yountville CA FRMTCAEDDS2  722   2006-03-31   
707-205 1 Benicia CA FRMTCAEDDS2  722   2007-04-09   
707-205 8 Benicia CA FRMTCAEDDS2  722   2006-03-27   
707-227 A Napa CA FRMTCAEDDS0  722      
707-227 1 Napa CA FRMTCAEDDS0  722      
707-228 A Santa Rosa CA FRMTCAEDDS0  722      
707-228 1 Santa Rosa CA FRMTCAEDDS0  722      
707-234 3 Ukiah CA FRMTCAEDDS0  722   2004-12-31   
707-241 7 Petaluma: Main DA CA FRMTCAEDDS0  722   2004-12-31   
707-242 2 Petaluma: Swift DA CA FRMTCAEDDS2  722   2006-03-30   

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

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