Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
657-262 9 Anaheim CA TRNECAGB7MD  730   2015-02-14   
657-263 A Garden Grove CA TRNECAGB7MD  730      
657-263 0 Garden Grove CA TRNECAGB7MD  730   2015-03-02   
657-263 9 Garden Grove CA TRNECAGB7MD  730   2015-03-02   
657-267 9 Santa Ana CA TRNECAGBGT3  730   2019-02-04   
657-273 A Santa Ana CA TRNECAGB7MD  730      
657-273 0 Santa Ana CA TRNECAGB7MD  730   2015-06-18   
657-273 1 Santa Ana CA TRNECAGB7MD  730   2015-06-18   
657-273 2 Santa Ana CA TRNECAGB7MD  730   2015-06-18   
657-273 3 Santa Ana CA TRNECAGB7MD  730   2015-06-18   
657-276 8 Anaheim CA TRNECAGB7MD  730   2017-08-24   
657-315 8 Placentia CA RVSDCAYAGT1  730   2018-05-05   
657-318 9 Westminster CA TRNECAGBGT3  730   2017-01-24   
657-319 9 Fullerton CA TRNECAGB7MD  730   2018-05-13   
657-340 7 Westminster CA TRNECAGBGT3  730   2018-04-24   
657-340 8 Westminster CA TRNECAGBGT3  730   2018-10-30   
657-346 1 Santa Ana CA TRNECAGB7MD  730   2016-11-15   
657-354 A Fullerton CA TRNECAGBGT3  730      
657-354 4 Fullerton CA TRNECAGBGT3  730   2018-06-27   
657-354 5 Fullerton CA TRNECAGBGT3  730   2018-04-06   
657-354 6 Fullerton CA TRNECAGBGT3  730   2018-04-06   
657-354 8 Fullerton CA TRNECAGBGT3  730   2017-08-12   
657-354 9 Fullerton CA TRNECAGBGT3  730   2017-06-12   
657-356 4 Santa Ana CA TRNECAGBGT3  730   2019-02-04   
657-357 1 Santa Ana CA TRNECAGB7MD  730   2018-09-07   
657-357 8 Santa Ana CA TRNECAGB7MD  730   2018-09-07   
657-357 9 Santa Ana CA TRNECAGB7MD  730   2018-09-07   
657-358 2 Santa Ana CA TRNECAGBGT3  730   2017-06-19   
657-358 8 Santa Ana CA TRNECAGBGT3  730   2017-08-20   
657-358 9 Santa Ana CA TRNECAGBGT3  730   2017-08-20   
657-364 7 Westminster CA TRNECAGBGT3  730   2017-10-14   
657-373 4 Placentia CA TRNECAGB7MD  730   2020-06-15   
657-378 5 Fullerton CA TRNECAGB7MD  730   2012-08-09   
657-397 1 Santa Ana CA TRNECAGB7MD  730   2020-01-14   
657-397 2 Santa Ana CA TRNECAGB7MD  730   2020-01-14   
657-397 3 Santa Ana CA TRNECAGB7MD  730   2020-01-14   
657-397 4 Santa Ana CA TRNECAGB7MD  730   2019-12-25   
657-397 5 Santa Ana CA TRNECAGB7MD  730   2019-12-25   
657-397 6 Santa Ana CA TRNECAGB7MD  730   2019-12-25   
657-422 A Santa Ana CA TRNECAGB7MD  730      
657-422 8 Santa Ana CA TRNECAGB7MD  730   2020-03-29   
657-445 0 Fullerton CA TRNECAGBGT3  730   2015-12-14   
657-699 9 Santa Ana CA TRNECAGB7MD  730   2015-05-15   
657-859 0 Santa Ana CA TRNECAGB7MD  730   2008-11-07   
657-900 9 Santa Ana CA TRNECAGBGT3  730   2018-11-04   
661-200 4 Santa Clarita: Newhall-Castaic DA CA TRNECAGB7MD  730   2009-03-09   
661-200 8 Santa Clarita: Newhall-Castaic DA CA TRNECAGB7MD  730   2009-10-02   
661-208 7 Palmdale: Palmdale DA CA TRNECAGB7MD  730   2011-07-13   
661-209 A Palmdale: Agua Dulce DA CA TRNECAGB7MD  730      
661-209 0 Palmdale: Agua Dulce DA CA TRNECAGB7MD  730      

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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