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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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
585-574 A Rochester NY ROCHNYEIFMD  974      
585-574 0 Rochester NY ROCHNYEIFMD  974   2021-10-11   
602-851 A Phoenix AZ PHNXAZ19HMD  666      
602-851 0 Phoenix AZ PHNXAZ19HMD  666   2022-08-14   
607-408 A Binghamton NY BNGHNYHYXSY  138      
607-408 0 Binghamton NY BNGHNYHYXSY  138   2021-10-11   
628-466 A San Francisco: Central DA CA SNJUCACLCMD  722      
628-466 8 San Francisco: Central DA CA SNJUCACLCMD  722   2021-12-14   
661-541 A Bakersfield: Main DA CA BKFDCAKTXIX  734      
661-541 3 Bakersfield: Main DA CA BKFDCAKTXIX  734   2021-12-03   
689-254 A Orlando FL ORLDFL60X9Y  45806      
689-254 0 Orlando FL ORLDFL60X9Y  45806   2021-11-15   
716-503 A Buffalo NY BFLONYGOIMD  140      
716-503 0 Buffalo NY BFLONYGOIMD  140   2021-10-11   
726-215 A San Antonio TX SNANTX91X0Y  566      
726-215 0 San Antonio TX SNANTX91X0Y  566   2021-11-15   
737-301 A Austin TX AUSTTXGR64Z  558      
737-301 0 Austin TX AUSTTXGR64Z  558   2021-11-15   
762-989 A Augusta GA AGSTGAPUDMD  442      
762-989 0 Augusta GA AGSTGAPUDMD  442   2021-11-15   
779-970 A Rockford IL RCFRILRTXDY  360      
779-970 9 Rockford IL RCFRILRTXDY  360   2021-12-04   
786-821 A Miami FL MIAUFLWSFMD  46017      
786-821 0 Miami FL MIAUFLWSFMD  46017   2021-11-18   
805-892 A Santa Barbara CA SNLOCA01XNY  740      
805-892 0 Santa Barbara CA SNLOCA01XNY  740   2021-12-03   
813-861 A Tampa East FL TAMSFLDEXBX  952      
813-861 0 Tampa East FL TAMSFLDEXBX  952   2021-10-22   
831-224 A Monterey CA MTRYCAPMBMD  736      
831-224 1 Monterey CA MTRYCAPMBMD  736   2021-12-03   
838-250 A Albany NY ALBYNYPSLMD  134      
838-250 0 Albany NY ALBYNYPSLMD  134   2021-10-11   
845-347 A Poughkeepsie NY PGHKNYWSZMD  133      
845-347 0 Poughkeepsie NY PGHKNYWSZMD  133   2021-10-11   
857-348 A Boston MA SOVLMAABHMD  128      
857-348 1 Boston MA SOVLMAABHMD  128   2022-07-31   
858-325 A San Diego: Linda Vista DA CA SNDGCA0278Z  732      
858-325 0 San Diego: Linda Vista DA CA SNDGCA0278Z  732   2021-12-11   
872-289 A Chicago Zone 01-Calumet IL CHCGILWUYMD  358      
872-289 0 Chicago Zone 01-Calumet IL CHCGILWUYMD  358   2021-11-19   
904-750 A Jacksonville FL JCVLFLCLYBX  45204      
904-750 0 Jacksonville FL JCVLFLCLYBX  45204   2021-11-18   
945-219 A Dallas TX DLLSTX97XHX  552      
945-219 0 Dallas TX DLLSTX97XHX  552   2021-11-14   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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