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
324-587 5 Jacksonville FL JCVLFLCLY2X  45204   2026-05-18   
324-666 2 St Johns FL JCVLFLCLY2X  45204   2026-02-18   
324-666 3 St Johns FL JCVLFLCLY2X  45204   2026-02-18   
324-666 4 St Johns FL JCVLFLCLY2X  45204   2026-02-18   
325-401 A Abilene TX   550   2026-09-20   
325-401 7 Abilene TX   550   2026-09-20   
325-401 8 Abilene TX   550   2026-09-20   
325-401 9 Abilene TX   550   2026-09-20   
327-227 A Jonesboro AR LTRKARZO7MD  528   2025-10-16   
327-227 7 Jonesboro AR LTRKARZO7MD  528   2025-10-16   
327-227 8 Jonesboro AR LTRKARZO7MD  528   2025-10-16   
329-229 2 Poughkeepsie NY PGHKNYWSTMD  133   2026-03-08   
329-229 3 Poughkeepsie NY PGHKNYWSTMD  133   2026-03-08   
329-229 4 Poughkeepsie NY PGHKNYWSTMD  133   2026-03-08   
329-888 3 Piermont NY NYCMNY37UMD  132   2023-10-20   
329-999 1 Pearl River NY NYCMNY37UMD  132   2023-10-19   
331-342 2 Naperville IL CHCGILWUVMD  358   2026-03-08   
331-342 3 Naperville IL CHCGILWUVMD  358   2026-03-08   
331-342 4 Naperville IL CHCGILWUVMD  358   2026-03-08   
331-837 6 West Chicago IL CHCGILWUVMD  358   2025-10-10   
334-267 3 Selma AL MTGMALGY4MD  478   2025-09-19   
334-526 6 Selma AL MTGMALGY4MD  478   2025-09-19   
334-533 A Montgomery AL MTGMALGY4MD  478      
334-533 2 Montgomery AL MTGMALGY4MD  478   2025-09-19   
334-533 3 Montgomery AL MTGMALGY4MD  478   2025-09-19   
334-533 6 Montgomery AL MTGMALGY4MD  478   2025-09-19   
334-854 7 Selma AL MTGMALGY4MD  478   2025-09-19   
334-917 7 Opelika AL MTGMALGY4MD  478   2025-11-02   
334-962 2 Auburn AL MTGMALGY4MD  478   2025-11-02   
334-989 A Montgomery AL MTGMALGY4MD  478   2025-06-20   
334-989 7 Montgomery AL MTGMALGY4MD  478   2025-06-20   
334-989 8 Montgomery AL MTGMALGY4MD  478   2025-06-20   
334-989 9 Montgomery AL MTGMALGY4MD  478   2025-06-20   
334-998 5 Dothan AL MTGMALGY4MD  478   2025-11-02   
336-732 6 Winston-Salem NC   424   2026-09-26   
336-732 7 Winston-Salem NC   424   2026-09-26   
336-796 4 Winston-Salem NC   424   2026-09-26   
336-796 5 Winston-Salem NC GNBPNCEM7MD  424   2025-07-19   
336-796 9 Winston-Salem NC GNBPNCEM7MD  424   2025-07-19   
337-259 A Lafayette LA LFYTLA36CMD  488      
337-259 8 Lafayette LA LFYTLA36CMD  488   2023-05-11   
337-259 9 Lafayette LA LFYTLA36CMD  488   2023-05-11   
337-770 5 Lafayette LA LFYTLA36CMD  488   2025-08-15   
339-207 3 Lynn MA CMBRMABEQMD  128   2016-05-12   
339-207 6 Lynn MA CMBRMABEQMD  128   2016-05-12   
339-207 7 Lynn MA CMBRMABEQMD  128   2016-05-12   
339-207 8 Lynn MA CMBRMABEQMD  128   2016-05-12   
339-207 9 Lynn MA CMBRMABEQMD  128   2016-05-12   
339-209 4 Weymouth MA CMBRMABEQMD  128   2016-05-12   
339-209 5 Weymouth MA CMBRMABEQMD  128   2016-05-12   

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Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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