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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OCN: 515J IP HORIZON LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
475-544 1 Norwalk CT   920   2022-07-08   
475-763 0 Naugatuck CT   920   2022-07-23   
475-887 0 Westport CT   920   2022-07-23   
478-310 A Macon GA MACNGAMTXPY  446   2021-01-23   
478-310 1 Macon GA   446   2021-01-23   
480-679 A Phoenix AZ PHNXAZ28X3X  666   2021-04-25   
480-679 1 Phoenix AZ   666   2021-04-25   
501-451 A Little Rock AR LTRKARFRXMZ  528   2021-04-25   
501-451 1 Little Rock AR   528   2021-04-25   
502-676 A Louisville KY LSVLKYAP54Z  462   2021-03-20   
502-676 1 Louisville KY   462   2021-03-20   
504-387 A New Orleans LA NWORLAMAYEX  490   2021-05-23   
504-387 1 New Orleans LA   490   2021-05-23   
505-456 A Albuquerque NM ALBQNMMAXXY  664   2021-04-26   
505-456 1 Albuquerque NM   664   2021-04-26   
505-477 9 Santa Fe NM   664   2022-05-20   
505-487 9 Los Alamos NM   664   2022-05-26   
505-496 6 Grants NM   664   2022-05-26   
505-498 5 Las Vegas NM   664   2022-05-26   
505-517 9 Aztec NM   664   2022-05-20   
505-519 7 Gallup NM   664   2022-05-20   
507-792 A Rochester MN ROCHMNROX0Y  620   2021-05-23   
507-792 1 Rochester MN   620   2021-05-23   
509-616 A Spokane WA SPKNWA01XHY  676   2021-04-23   
509-616 1 Spokane WA   676   2021-04-23   
510-293 6 Hayward CA   722   2021-05-01   
510-832 9 Oakland: Main-Piedmont DA CA   722   2021-05-01   
513-743 A Cincinnati OH CNCNOHREBMD  922      
513-743 1 Cincinnati OH   922   2020-11-16   
515-671 A Des Moines IA DESMIADTX1Y  632   2021-05-23   
515-671 1 Des Moines IA   632   2021-05-23   
516-452 1 Farmingdale NY   132   2021-09-26   
516-550 8 Nassau Zone 1 NY   132   2021-01-01   
516-774 0 Nassau Zone 6 NY   132   2021-01-01   
516-786 1 Nassau Zone 3 NY   132   2021-01-01   
516-862 9 Nassau Zone 8 NY   132   2021-01-01   
516-878 9 Nassau Zone 7 NY   132   2021-09-26   
516-894 1 Nassau Zone 4 NY   132   2021-09-26   
516-907 0 Nassau Zone 5 NY   132   2021-10-07   
516-919 A Nassau Zone 2 NY NYCMNYBXWMD  132   2021-10-25   
516-919 1 Nassau Zone 2 NY   132   2021-10-25   
517-328 A Lansing MI LNNGMIMN03Z  346   2021-03-21   
517-328 1 Lansing MI   346   2021-03-21   
518-220 1 Colonie NY   134   2021-01-02   
518-467 9 Ellenburg Depot NY   134   2021-10-14   
518-507 2 Schuylerville NY   134   2021-10-14   
518-508 9 Freehold NY   134   2021-10-16   
518-539 5 Mechanicville NY   134   2021-10-02   
518-666 9 St Regis Falls NY   134   2021-10-18   
518-739 4 Lake Placid NY   134   2021-10-09   

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Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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