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
458-240 A Eugene OR EUGNOR53X0Y  670      
458-240 1 Eugene OR EUGNOR53X0Y  670   2019-11-09   
470-849 A Grantville GA ATLNGAQSX0X  438      
470-849 1 Grantville GA ATLNGAQSX0X  438   2018-04-23   
478-465 A Macon GA   446   2026-05-10   
478-465 8 Macon GA   446   2026-05-10   
479-588 6 Mena AR   528   2025-06-22   
480-660 A Phoenix AZ PHNXAZ28MMD  666      
480-660 1 Phoenix AZ PHNXAZ28MMD  666   2019-11-09   
484-984 6 Royersford PA   228   2025-06-22   
501-369 A Little Rock AR LTRKARFRXGZ  528      
501-369 1 Little Rock AR LTRKARFRXGZ  528   2019-10-04   
501-444 4 Little Rock AR   528   2026-02-08   
501-444 9 Little Rock AR   528   2026-02-08   
501-452 4 Morrilton AR   528   2025-06-22   
501-491 8 Beebe AR   528   2025-06-22   
501-587 8 Little Rock AR   528   2026-02-08   
502-546 A Louisville KY LSVLKYAP47Z  462      
502-546 1 Louisville KY LSVLKYAP47Z  462   2019-11-07   
504-384 A New Orleans LA NWORLAMAYCX  490      
504-384 1 New Orleans LA NWORLAMAYCX  490   2019-12-27   
505-364 A Albuquerque NM ALBQNMMAXTY  664      
505-364 1 Albuquerque NM ALBQNMMAXTY  664   2019-11-08   
507-507 7 Rochester MN   620   2026-04-13   
509-418 A Spokane WA SPKNWA01XAY  676      
509-418 1 Spokane WA SPKNWA01XAY  676   2019-11-09   
509-587 8 Brewster WA   676   2026-02-08   
513-599 A Cincinnati OH CNCNOHREAMD  922      
513-599 5 Cincinnati OH CNCNOHREAMD  922   2019-10-31   
515-858 A Des Moines IA DESMIADTXSX  632      
515-858 1 Des Moines IA DESMIADTXSX  632   2019-11-07   
520-416 A Tucson AZ TCSNAZMAX8Y  668      
520-416 1 Tucson AZ TCSNAZMAX8Y  668   2019-11-07   
530-530 1 Robbins CA   726   2026-04-23   
530-609 A Alleghany CA SCRMCACN3MD  726      
530-609 1 Alleghany CA SCRMCACN3MD  726   2018-04-23   
530-707 A Red Bluff CA   724   2026-05-21   
530-707 7 Red Bluff CA   724   2026-05-21   
539-235 A Tulsa OK TULSOKTBXDZ  538      
539-235 1 Tulsa OK TULSOKTBXDZ  538   2019-10-24   
559-559 1 Chowchilla CA   738   2026-04-23   
559-729 A Avenal CA FRSNCA01XQZ  728      
559-729 1 Avenal CA FRSNCA01XQZ  728   2018-04-23   
571-724 6 Occoquan VA   236   2026-04-23   
571-728 A Washington Zone 8 VA   236   2025-07-13   
571-728 1 Washington Zone 8 VA   236   2025-07-13   
585-550 A Rochester NY   974      
585-550 0 Rochester NY   974   2023-01-01   
585-550 1 Rochester NY   974   2023-11-03   
585-550 2 Rochester NY   974   2023-11-03   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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