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.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
209-244 A Stockton CA SKTNCA01XBZ  738      
209-244 9 Stockton CA SKTNCA01XBZ  738   2002-05-28   
209-290 3 Stockton CA SKTNCA01XBZ  738   2018-04-21   
209-313 0 Stockton CA SKTNCA01XBZ  738   2016-08-18   
209-659 1 Stockton CA   738   2022-02-27   
209-659 2 Stockton CA   738   2022-02-27   
209-905 5 Stockton CA SKTNCA01XBZ  738   2017-02-17   
209-940 8 Stockton CA SKTNCA01XBZ  738   2017-07-14   
209-949 3 Stockton CA SKTNCA01XBZ  738   2015-05-02   
213-217 9 Los Angeles: DA 01 CA LSANCAJWDSC  730   2012-09-28   
213-292 A Los Angeles: DA 01 CA LSANCAJWDS7  730      
213-292 9 Los Angeles: DA 01 CA LSANCAJWDS7  730   2009-12-24   
213-320 2 Los Angeles: DA 01 CA LSANCAJWDS7  730   2018-06-19   
213-358 0 Los Angeles: DA 01 CA LSANCAJWDS7  730   2016-08-18   
213-660 0 Los Angeles: DA 01 CA LSANCAJWDS7  730   2017-03-13   
213-996 9 Los Angeles: DA 01 CA LSANCAJWDS7  730   2018-11-09   
408-758 A San Jose: West DA CA SNTCCA01XIX  722      
408-758 9 San Jose: West DA CA SNTCCA01XIX  722   2010-09-11   
415-273 0 San Francisco: Central DA CA SNTCCA01XIX  722   2010-08-12   
442-212 2 Palm Springs CA PLSPCAXGX0Y  973   2017-07-14   
442-268 1 Palm Springs CA PLSPCAXGX0Y  973   2016-08-19   
442-275 1 Palm Springs CA PLSPCAXGX0Y  973   2016-02-07   
530-441 1 Marysville CA SCRMCA01XOZ  726   2016-08-19   
530-844 A Marysville CA SCRMCA01XOZ  726      
530-844 9 Marysville CA SCRMCA01XOZ  726      
619-673 A San Diego: San Diego DA CA SNDGCA0265Z  732      
619-673 0 San Diego: San Diego DA CA SNDGCA0265Z  732   2020-06-15   
619-673 1 San Diego: San Diego DA CA SNDGCA0265Z  732   2020-06-15   
619-673 8 San Diego: San Diego DA CA SNDGCA0265Z  732   2020-06-15   
619-673 9 San Diego: San Diego DA CA SNDGCA0265Z  732   2020-06-15   
628-221 0 San Francisco: Central DA CA SNTCCA01XIX  722   2015-09-19   
628-246 8 San Francisco: Central DA CA SNTCCA01XIX  722   2016-09-20   
628-312 A San Francisco: Central DA CA   722   2022-04-07   
628-312 0 San Francisco: Central DA CA   722   2022-04-07   
628-312 9 San Francisco: Central DA CA   722   2022-04-07   
661-378 A Bakersfield: Main DA CA BKFDCA11X1X  734      
661-378 9 Bakersfield: Main DA CA BKFDCA11X1X  734      
661-407 1 Bakersfield: Main DA CA BKFDCA11X1X  734   2018-12-02   
661-567 1 Bakersfield: Main DA CA BKFDCA11X1X  734   2016-08-18   
669-204 0 San Jose: West DA CA SNTCCA01XIX  722   2016-06-24   
669-832 0 San Jose: West DA CA   722   2022-03-13   
669-832 1 San Jose: West DA CA   722   2022-03-13   
669-832 2 San Jose: West DA CA   722   2022-03-13   
669-832 3 San Jose: West DA CA   722   2022-03-13   
760-699 A Palm Springs CA PLSPCAXGX0Y  973      
760-699 0 Palm Springs CA PLSPCAXGX0Y  973   2003-04-28   
805-418 6 Thousand Oaks CA SNMNCAXPXSY  730   2016-08-19   
805-852 A Thousand Oaks CA SNMNCAXPXSY  730      
805-852 0 Thousand Oaks CA SNMNCAXPXSY  730   2003-04-28   
805-908 3 Thousand Oaks CA   730   2022-02-27   

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Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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