Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 321J HD CARRIER LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
907-999 A Anchorage AK   832      
907-999 0 Anchorage AK ANCRAKXC1MD  832   2024-11-09   
907-999 1 Anchorage AK ANCRAKXC1MD  832   2024-11-09   
907-999 2 Anchorage AK ANCRAKXC1MD  832   2024-11-09   
907-999 3 Anchorage AK ANCRAKXC1MD  832   2024-11-09   
907-999 4 Anchorage AK ANCRAKXC1MD  832   2024-11-09   
907-999 5 Anchorage AK ANCRAKXC1MD  832   2024-11-09   
907-999 6 Anchorage AK ANCRAKXC1MD  832   2024-11-09   
907-999 7 Anchorage AK ANCRAKXC1MD  832   2024-11-09   
907-999 8 Anchorage AK ANCRAKXC1MD  832   2024-11-09   
907-999 9 Anchorage AK ANCRAKXC1MD  832   2024-11-09   
908-424 2 Plainfield NJ NWRKNJ0298Z  224   2016-05-19   
908-424 3 Plainfield NJ NWRKNJ0298Z  224   2016-05-19   
908-424 4 Plainfield NJ NWRKNJ0298Z  224   2016-05-19   
908-424 5 Plainfield NJ NWRKNJ0298Z  224   2016-05-19   
908-424 6 Plainfield NJ NWRKNJ0298Z  224   2016-05-19   
908-424 7 Plainfield NJ NWRKNJ0298Z  224   2016-05-19   
908-424 8 Plainfield NJ NWRKNJ0298Z  224   2016-05-19   
908-491 0 Fanwood NJ NWRKNJ0298Z  224   2016-05-19   
908-491 1 Fanwood NJ NWRKNJ0298Z  224   2016-05-19   
908-491 4 Fanwood NJ NWRKNJ0298Z  224   2016-05-19   
908-491 6 Fanwood NJ NWRKNJ0298Z  224   2016-05-19   
908-491 7 Fanwood NJ NWRKNJ0298Z  224   2016-05-19   
908-491 8 Fanwood NJ NWRKNJ0298Z  224   2016-05-19   
908-564 3 Fanwood NJ NWRKNJ0298Z  224   2016-05-19   
908-564 5 Fanwood NJ NWRKNJ0298Z  224   2016-05-19   
908-564 6 Fanwood NJ NWRKNJ0298Z  224   2016-05-19   
908-564 7 Fanwood NJ   224   2016-05-19   
908-939 1 Fanwood NJ NWRKNJ0298Z  224   2016-09-04   
908-939 2 Fanwood NJ NWRKNJ0298Z  224   2016-09-04   
908-939 3 Fanwood NJ NWRKNJ0298Z  224   2016-09-04   
908-939 4 Fanwood NJ NWRKNJ0298Z  224   2016-09-04   
908-939 5 Fanwood NJ NWRKNJ0298Z  224   2016-09-04   
908-939 6 Fanwood NJ NWRKNJ0298Z  224   2016-09-04   
908-939 7 Fanwood NJ NWRKNJ0298Z  224   2016-09-04   
908-939 9 Fanwood NJ NWRKNJ0298Z  224   2016-09-04   
909-318 4 Big Bear Lake CA   730   2016-08-26   
909-318 5 Big Bear Lake CA LSANCARCY1X  730   2016-08-26   
909-318 6 Big Bear Lake CA LSANCARCY1X  730   2016-06-12   
909-318 7 Big Bear Lake CA LSANCARCY1X  730   2016-06-12   
909-318 8 Big Bear Lake CA LSANCARCY1X  730   2016-06-12   
909-318 9 Big Bear Lake CA LSANCARCY1X  730   2016-06-12   
909-328 3 Redlands CA LSANCARCY1X  730   2014-08-16   
909-340 8 Big Bear Lake CA LSANCARCY1X  730   2014-08-15   
909-375 5 Big Bear City CA LSANCARCY1X  730   2014-08-15   
909-443 4 Ontario CA LSANCARCY1X  730   2014-08-16   
910-313 5 Wilmington NC   428   2025-09-07   
910-383 7 Wilmington NC   428   2025-09-07   
910-792 2 Wilmington NC   428   2025-09-07   
910-796 5 Wilmington NC   428   2025-09-07   
910-810 A Wilmington NC WLMGNC038MD  428      
910-810 8 Wilmington NC WLMGNC038MD  428   2020-07-27   
910-810 9 Wilmington NC WLMGNC038MD  428   2020-07-27   
910-869 7 South River NC   949   2025-10-13   
910-869 8 South River NC   949   2025-10-13   
910-869 9 South River NC   949   2025-10-13   
912-221 6 Jesup GA   440   2025-09-14   
912-298 4 Savannah GA   440   2026-06-01   
912-461 A Savannah GA SVNHGAOBVMD  440      
912-461 8 Savannah GA SVNHGAOBVMD  440   2020-09-17   
912-461 9 Savannah GA SVNHGAOBVMD  440   2020-09-17   
912-530 5 Jesup GA   440   2025-09-14   
912-620 A Jesup GA SVNHGAOBYMD  440      
912-620 9 Jesup GA SVNHGAOBYMD  440   2021-12-06   
912-766 1 Jekyll Island GA   440   2025-09-14   
912-766 2 Jekyll Island GA   440   2025-09-14   
912-859 2 Savannah GA   440   2026-06-01   
912-859 5 Savannah GA   440   2025-09-16   
912-859 6 Savannah GA   440   2025-09-16   
912-859 7 Savannah GA   440   2025-09-16   
912-859 8 Savannah GA   440   2026-06-01   
913-391 A Kansas City KS KSCYMO55X9Z  524      
913-391 9 Kansas City KS KSCYMO55X9Z  524   2020-11-23   
913-399 A Kansas City KS KSCYMO55XGZ  524      
913-399 8 Kansas City KS KSCYMO55XGZ  524   2021-07-23   
913-399 9 Kansas City KS KSCYMO55XGZ  524   2021-07-23   
914-200 7 Westchester Zone 1 NY   132   2014-08-01   
914-208 8 Ossining NY   132   2014-08-01   
914-222 7 Westchester Zone 2 NY   132   2014-08-01   
914-300 2 Westchester Zone 3 NY   132   2016-08-19   
914-300 5 Westchester Zone 3 NY NYCMNY37UMD  132   2016-08-19   
914-300 6 Westchester Zone 3 NY NYCMNY37UMD  132   2016-08-19   
914-300 7 Westchester Zone 3 NY NYCMNY37UMD  132   2016-08-19   
914-300 8 Westchester Zone 3 NY NYCMNY37UMD  132   2016-08-19   
914-300 9 Westchester Zone 3 NY NYCMNY37UMD  132   2016-08-19   
914-326 6 Pleasantville NY NYCMNY37UMD  132   2014-08-01   
914-348 8 Westchester Zone 4 NY   132   2014-08-01   
914-362 4 Mount Kisco NY   132   2014-08-01   
914-465 6 Westchester Zone 2 NY NYCMNY37UMD  132   2014-08-01   
914-485 5 North Salem NY   132   2014-08-02   
914-529 5 Westchester Zone 5 NY NYCMNY37UMD  132   2014-08-01   
914-594 9 Westchester Zone 7 NY NYCMNY37UMD  132   2012-03-04   
914-598 5 Westchester Zone 7 NY   132   2014-08-01   
914-603 0 Lakeland NY   132   2014-08-01   
914-705 7 Westchester Zone 8 NY NYCMNY37UMD  132   2014-08-01   
914-727 3 Westchester Zone 3 NY NYCMNY37UMD  132   2016-08-19   
914-727 5 Westchester Zone 3 NY NYCMNY37UMD  132   2016-08-19   
914-828 9 Armonk Village NY   132   2014-08-01   
914-908 7 Westchester Zone 9 NY NYCMNY37UMD  132   2014-08-01   
914-998 9 Westchester Zone 6 NY   132   2014-08-01   

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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