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
657-247 4 Santa Ana CA SHOKCA02QMD  730   2015-01-10   
657-247 5 Santa Ana CA SHOKCA02QMD  730   2015-02-09   
657-248 7 Fullerton CA SHOKCA02QMD  730   2015-04-27   
657-251 A Garden Grove CA SHOKCA02QMD  730      
657-251 0 Garden Grove CA SHOKCA02QMD  730   2014-05-19   
657-254 0 Anaheim CA SHOKCA02QMD  730   2014-12-13   
657-255 4 Buena Park CA SHOKCA02QMD  730   2016-02-27   
657-256 1 Cypress CA SHOKCA02QMD  730   2015-02-06   
657-257 4 Westminster CA LNBHCAXP2MD  730   2015-11-19   
657-258 A Placentia CA SHOKCA02QMD  730      
657-258 0 Placentia CA SHOKCA02QMD  730   2015-01-23   
657-258 9 Placentia CA SHOKCA02QMD  730   2016-03-18   
657-259 A Huntington Beach CA LNBHCAXP2MD  730      
657-259 0 Huntington Beach CA LNBHCAXP2MD  730   2015-10-25   
657-263 4 Garden Grove CA SHOKCA02QMD  730   2015-06-04   
657-267 0 Santa Ana CA SHOKCA02QMD  730   2016-07-08   
657-275 9 Placentia CA SHOKCA02QMD  730   2015-08-31   
657-276 2 Anaheim CA SHOKCA02QMD  730   2016-06-10   
657-276 9 Anaheim CA SHOKCA02QMD  730   2015-09-21   
657-281 2 Orange CA SHOKCA02QMD  730   2016-06-10   
657-282 A Orange CA SHOKCA02QMD  730      
657-282 0 Orange CA SHOKCA02QMD  730   2014-12-22   
657-284 2 Orange CA SHOKCA02QMD  730   2015-09-29   
657-286 5 Brea CA SHOKCA02QMD  730   2016-04-02   
657-289 0 Santa Ana CA SHOKCA02QMD  730   2016-01-25   
657-291 2 Orange CA SHOKCA02QMD  730   2016-02-08   
657-296 6 Garden Grove CA SHOKCA02QMD  730   2016-03-18   
657-298 3 Cypress CA SHOKCA02QMD  730   2016-02-27   
657-301 2 Huntington Beach CA LNBHCAXP2MD  730   2016-04-03   
657-304 0 Santa Ana CA SHOKCA02QMD  730   2016-05-02   
657-329 A Huntington Beach CA LNBHCAXP2MD  730      
657-329 0 Huntington Beach CA LNBHCAXP2MD  730   2016-06-30   
657-329 1 Huntington Beach CA LNBHCAXP2MD  730   2016-06-30   
657-334 7 Westminster CA LNBHCAXP2MD  730   2016-08-12   
657-340 1 Westminster CA LNBHCAXP2MD  730   2016-11-03   
657-346 2 Santa Ana CA SHOKCA02QMD  730   2016-11-18   
657-347 1 Anaheim CA SHOKCA02QMD  730   2018-01-06   
657-354 7 Fullerton CA SHOKCA02QMD  730   2017-08-25   
657-356 1 Santa Ana CA SHOKCA02QMD  730   2018-01-30   
657-363 8 Yorba Linda CA SHOKCA02QMD  730   2016-02-01   
657-378 9 Fullerton CA SHOKCA02QMD  730   2013-08-22   
657-400 9 Westminster CA LNBHCAXP2MD  730   2013-08-22   
657-444 9 Placentia CA SHOKCA02QMD  730   2013-08-22   
657-445 6 Fullerton CA SHOKCA02QMD  730   2016-06-16   
657-456 0 Anaheim CA SHOKCA02QMD  730   2015-04-27   
657-464 9 Huntington Beach CA LNBHCAXP2MD  730   2009-10-21   
657-465 5 Cypress CA SHOKCA02QMD  730   2015-08-11   
657-500 8 Fullerton CA SHOKCA02QMD  730   2015-10-22   
657-600 8 Santa Ana CA SHOKCA02QMD  730   2012-05-09   
657-667 A Garden Grove CA SHOKCA02QMD  730      
657-667 0 Garden Grove CA SHOKCA02QMD  730   2013-08-22   
657-688 1 Placentia CA SHOKCA02QMD  730   2020-12-17   
657-699 3 Santa Ana CA SHOKCA02QMD  730   2015-05-20   
657-845 A Huntington Beach CA LNBHCAXP2MD  730      
657-845 4 Huntington Beach CA LNBHCAXP2MD  730   2013-08-22   
657-845 7 Huntington Beach CA LNBHCAXP2MD  730   2013-10-15   
657-900 2 Santa Ana CA SHOKCA02QMD  730   2012-11-29   
660-201 A Polo MO KSCYMO03X1X  524      
660-201 1 Polo MO KSCYMO03X1X  524   2024-09-29   
660-232 7 Lexington MO WRBGMOXAXPX  524   2023-11-26   
660-352 3 Knoxville MO KSCYMO03X1X  524   2024-10-20   
660-356 2 Higginsville MO WRBGMOXAXPX  524   2024-04-16   
661-200 3 Santa Clarita: Newhall-Castaic DA CA SHOKCA02QMD  730   2008-02-06   
661-206 5 Lancaster CA SNMNCAXP2MD  730   2007-03-13   
661-206 7 Lancaster CA SNMNCAXP2MD  730   2007-09-19   
661-206 8 Lancaster CA SNMNCAXP2MD  730   2007-09-19   
661-206 9 Lancaster CA SNMNCAXP2MD  730   2007-09-19   
661-234 4 Palmdale: Palmdale DA CA SHOKCA02QMD  730   2015-08-20   
661-249 8 Big Butte CA SHOKCA02QMD  730   2007-06-06   
661-262 6 Lake Hughes CA SNMNCAXP2MD  730   2007-04-13   
661-309 4 Santa Clarita: Saugus Canyon Country DA CA SHOKCA02QMD  730   2013-08-01   
661-309 6 Santa Clarita: Saugus Canyon Country DA CA SHOKCA02QMD  730   2016-03-18   
661-347 9 Santa Clarita: Saugus Canyon Country DA CA SHOKCA02QMD  730   2010-08-18   
661-360 3 Santa Clarita: Saugus Canyon Country DA CA SHOKCA02QMD  730   2013-08-22   
661-360 5 Santa Clarita: Saugus Canyon Country DA CA SHOKCA02QMD  730   2013-10-15   
661-360 7 Santa Clarita: Saugus Canyon Country DA CA SHOKCA02QMD  730   2012-04-08   
661-360 8 Santa Clarita: Saugus Canyon Country DA CA SHOKCA02QMD  730   2007-01-10   
661-360 9 Santa Clarita: Saugus Canyon Country DA CA SHOKCA02QMD  730   2007-02-10   
661-367 6 Santa Clarita: Saugus Canyon Country DA CA SHOKCA02QMD  730   2008-03-31   
661-367 7 Santa Clarita: Saugus Canyon Country DA CA SHOKCA02QMD  730   2008-03-31   
661-382 1 Palmdale: Palmdale DA CA SHOKCA02QMD  730   2012-04-11   
661-383 9 Santa Clarita: Newhall-Castaic DA CA SHOKCA02QMD  730   2015-04-27   
661-388 A Santa Clarita: Newhall-Castaic DA CA SHOKCA02QMD  730      
661-388 4 Santa Clarita: Newhall-Castaic DA CA SHOKCA02QMD  730   2010-09-30   
661-402 7 Palmdale: Agua Dulce DA CA SHOKCA02QMD  730   2013-08-22   
661-417 8 Santa Clarita: Newhall-Castaic DA CA SHOKCA02QMD  730   2017-09-29   
661-418 0 Lancaster CA SNMNCAXP2MD  730   2012-04-13   
661-418 6 Lancaster CA SNMNCAXP2MD  730   2012-06-25   
661-425 7 Santa Clarita: Newhall-Castaic DA CA SHOKCA02QMD  730   2015-08-27   
661-441 0 Palmdale: Palmdale DA CA SHOKCA02QMD  730   2013-08-22   
661-441 2 Palmdale: Palmdale DA CA SHOKCA02QMD  730   2013-10-15   
661-441 5 Palmdale: Palmdale DA CA SHOKCA02QMD  730   2013-11-15   
661-471 8 Lancaster CA SNMNCAXP2MD  730   2014-05-10   
661-471 9 Lancaster CA SNMNCAXP2MD  730   2013-08-19   
661-476 5 Santa Clarita: Newhall-Castaic DA CA SHOKCA02QMD  730   2007-01-10   
661-480 0 Palmdale: Palmdale DA CA SHOKCA02QMD  730   2008-08-05   
661-480 5 Palmdale: Palmdale DA CA SHOKCA02QMD  730   2008-07-28   
661-480 7 Palmdale: Palmdale DA CA SHOKCA02QMD  730   2011-03-14   
661-481 0 Santa Clarita: Newhall-Castaic DA CA SHOKCA02QMD  730   2013-08-22   
661-481 9 Santa Clarita: Newhall-Castaic DA CA SHOKCA02QMD  730   2013-08-19   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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