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
484-990 7 Bethlehem PA PHLAPAMKX7X  228   2016-02-04   
484-990 8 Bethlehem PA PHLAPAMKX7X  228   2016-02-04   
484-990 9 Bethlehem PA PHLAPAMKX7X  228   2016-02-04   
484-998 A Center Point PA PHLAPAMKX7X  228      
484-998 2 Center Point PA PHLAPAMKX7X  228   2016-01-02   
484-998 6 Center Point PA PHLAPAMKX7X  228   2016-01-02   
484-998 9 Center Point PA PHLAPAMKX7X  228   2016-01-02   
501-629 A Little Rock AR LTRKARZO5MD  528      
501-629 9 Little Rock AR LTRKARZO5MD  528   2020-08-15   
502-754 A Louisville KY LSVLKYAP52Z  462      
502-754 9 Louisville KY LSVLKYAP52Z  462   2020-09-17   
504-389 A New Orleans LA NWORLASD8MD  490      
504-389 8 New Orleans LA NWORLASD8MD  490   2021-12-03   
504-389 9 New Orleans LA NWORLASD8MD  490   2021-12-03   
505-418 A Albuquerque NM ALBQNM10X4X  664      
505-418 9 Albuquerque NM ALBQNM10X4X  664   2021-05-01   
505-524 A Albuquerque NM ALBQNM10X5X  664      
505-524 8 Albuquerque NM ALBQNM10X5X  664   2022-09-04   
505-524 9 Albuquerque NM ALBQNM10X5X  664   2022-09-04   
507-906 A Rochester MN ROCHMNHIX6X  620      
507-906 8 Rochester MN ROCHMNHIX6X  620   2023-05-11   
507-906 9 Rochester MN ROCHMNHIX6X  620   2023-05-11   
508-924 0 East Bridgewater MA CMBRMABEQMD  128   2016-05-12   
508-924 1 East Bridgewater MA CMBRMABEQMD  128   2016-05-12   
508-924 2 East Bridgewater MA CMBRMABEQMD  128   2016-05-12   
508-924 3 East Bridgewater MA CMBRMABEQMD  128   2016-05-12   
508-924 5 East Bridgewater MA CMBRMABEQMD  128   2016-05-12   
508-924 8 East Bridgewater MA CMBRMABEQMD  128   2016-05-12   
508-924 9 East Bridgewater MA CMBRMABEQMD  128   2016-05-12   
509-425 A Spokane WA SPKNWADZ0MD  676      
509-425 8 Spokane WA SPKNWADZ0MD  676   2022-10-03   
509-425 9 Spokane WA SPKNWADZ0MD  676   2022-10-03   
509-606 A Spokane WA SPKNWADZ9MD  676      
509-606 9 Spokane WA SPKNWADZ9MD  676   2020-11-26   
510-335 1 Fremont-Newark: Main DA CA SNFCCA21XOZ  722   2012-08-24   
510-937 5 Crockett CA SNFCCA21XOZ  722   2016-06-09   
510-937 8 Crockett CA SNFCCA21XOZ  722   2016-06-09   
513-663 A Hamilton OH CNCNOHWSXGZ  922      
513-663 8 Hamilton OH CNCNOHWSXAZ  922   2020-05-22   
513-663 9 Hamilton OH CNCNOHWSXGZ  922   2020-05-22   
513-993 A Cincinnati OH CNCNOHWSXAZ  922      
513-993 9 Cincinnati OH CNCNOHWSXAZ  922   2019-02-10   
515-405 A Renwick IA DESMIADTXWX  632      
515-405 9 Renwick IA DESMIADTXWX  632   2019-12-26   
516-206 5 Nassau Zone 6 NY NYCMNY37UMD  132   2014-08-01   
516-207 3 Nassau Zone 1 NY NYCMNY37UMD  132   2016-08-18   
516-207 4 Nassau Zone 1 NY NYCMNY37UMD  132   2016-08-18   
516-207 5 Nassau Zone 1 NY NYCMNY37UMD  132   2016-08-18   
516-207 6 Nassau Zone 1 NY NYCMNY37UMD  132   2016-08-18   
516-219 2 Nassau Zone 3 NY NYCMNY37UMD  132   2016-08-18   
516-219 3 Nassau Zone 3 NY NYCMNY37UMD  132   2016-08-18   
516-219 4 Nassau Zone 3 NY NYCMNY37UMD  132   2016-08-18   
516-219 5 Nassau Zone 3 NY NYCMNY37UMD  132   2016-08-18   
516-219 6 Nassau Zone 3 NY NYCMNY37UMD  132   2016-08-18   
516-231 3 Nassau Zone 4 NY NYCMNY37UMD  132   2014-08-01   
516-243 0 Nassau Zone 5 NY NYCMNY37UMD  132   2014-08-25   
516-253 3 Nassau Zone 2 NY NYCMNY37UMD  132   2014-08-01   
516-259 9 Nassau Zone 3 NY NYCMNY37UMD  132   2014-08-01   
516-269 4 Nassau Zone 2 NY NYCMNY37UMD  132   2016-08-18   
516-269 5 Nassau Zone 2 NY NYCMNY37UMD  132   2016-08-18   
516-273 9 Nassau Zone 2 NY NYCMNY37UMD  132   2016-08-18   
516-301 9 Nassau Zone 1 NY NYCMNY37UMD  132   2012-12-14   
516-370 4 Farmingdale NY NYCMNY37UMD  132   2012-12-08   
516-387 8 Nassau Zone 1 NY NYCMNY37UMD  132   2014-08-01   
516-494 1 Nassau Zone 9 NY NYCMNY37UMD  132   2016-08-18   
516-494 2 Nassau Zone 9 NY NYCMNY37UMD  132   2016-08-18   
516-494 5 Nassau Zone 9 NY NYCMNY37UMD  132   2016-08-18   
516-494 6 Nassau Zone 9 NY NYCMNY37UMD  132   2016-08-18   
516-494 8 Nassau Zone 9 NY NYCMNY37UMD  132   2016-08-18   
516-563 6 Nassau Zone 2 NY NYCMNY37UMD  132   2016-08-18   
516-583 2 Nassau Zone 4 NY NYCMNY37UMD  132   2016-08-18   
516-583 3 Nassau Zone 4 NY NYCMNY37UMD  132   2016-08-18   
516-583 4 Nassau Zone 4 NY NYCMNY37UMD  132   2016-08-18   
516-583 6 Nassau Zone 4 NY NYCMNY37UMD  132   2016-08-18   
516-583 7 Nassau Zone 4 NY NYCMNY37UMD  132   2016-08-18   
516-597 9 Nassau Zone 8 NY NYCMNY37UMD  132   2014-08-01   
516-600 A Nassau Zone 6 NY NYCMNY37UMD  132      
516-600 2 Nassau Zone 6 NY NYCMNY37UMD  132   2016-08-18   
516-600 3 Nassau Zone 6 NY NYCMNY37UMD  132   2016-08-18   
516-600 4 Nassau Zone 6 NY NYCMNY37UMD  132   2016-08-18   
516-600 5 Nassau Zone 6 NY NYCMNY37UMD  132   2016-08-18   
516-600 7 Nassau Zone 6 NY NYCMNY37UMD  132   2016-08-18   
516-727 9 Nassau Zone 2 NY NYCMNY37UMD  132   2016-08-18   
516-893 A Nassau Zone 1 NY NYCMNY37XBX  132      
516-893 7 Nassau Zone 1 NY NYCMNY37XBX  132   2021-04-03   
516-893 8 Nassau Zone 1 NY NYCMNY37XBX  132   2021-04-03   
516-893 9 Nassau Zone 1 NY NYCMNY37XBX  132   2021-04-03   
516-896 A Nassau Zone 2 NY NYCMNY37XBX  132      
516-896 7 Nassau Zone 2 NY NYCMNY37XBX  132   2021-04-03   
516-896 8 Nassau Zone 2 NY NYCMNY37XBX  132   2021-04-03   
516-896 9 Nassau Zone 2 NY NYCMNY37XBX  132   2021-04-03   
516-900 8 Nassau Zone 9 NY NYCMNY37UMD  132   2014-08-01   
516-916 A Nassau Zone 1 NY NYCMNY37UMD  132      
516-916 9 Nassau Zone 1 NY NYCMNY37UMD  132   2018-12-16   
517-350 A Lansing MI LNNGMIDCKMD  346      
517-350 8 Lansing MI LNNGMIDCKMD  346   2023-05-11   
517-350 9 Lansing MI LNNGMIDCKMD  346   2023-05-11   
518-240 7 Bolton Landing NY ALBYNYSSXZY  134   2014-07-31   
518-263 7 Hunter NY ALBYNYSSXZY  134   2016-04-07   
518-263 8 Hunter NY ALBYNYSSXZY  134   2016-04-07   

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Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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