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
954-350 6 Hollywood FL MIAUFLWSSMD  46017   2016-08-27   
954-350 7 Hollywood FL MIAUFLWSSMD  46017   2016-08-27   
954-350 8 Hollywood FL MIAUFLWSSMD  46017   2016-08-27   
954-350 9 Hollywood FL MIAUFLWSSMD  46017   2016-08-27   
954-988 3 Hollywood FL MIAUFLWSSMD  46017   2016-06-11   
954-988 4 Hollywood FL MIAUFLWSSMD  46017   2016-06-11   
954-988 7 Hollywood FL MIAUFLWSSMD  46017   2016-06-11   
954-988 8 Hollywood FL MIAUFLWSSMD  46017   2016-06-11   
954-988 9 Hollywood FL MIAUFLWSSMD  46017   2016-06-11   
956-809 A Harlingen TX HRLNTXDU9MD  568      
956-809 8 Harlingen TX HRLNTXDU9MD  568   2023-05-11   
956-809 9 Harlingen TX HRLNTXDU9MD  568   2023-05-11   
959-223 A Hartford CT HRFRCT0398Z  920      
959-223 9 Hartford CT HRFRCT0398Z  920   2021-06-05   
970-907 4 Fort Collins CO DNVRCOMA32Z  656   2025-11-27   
970-907 5 Fort Collins CO DNVRCOMA32Z  656   2025-11-27   
970-907 6 Fort Collins CO DNVRCOMA32Z  656   2025-11-27   
970-982 2 Greeley CO DNVRCOMA32Z  656   2025-11-28   
970-982 3 Greeley CO DNVRCOMA32Z  656   2025-11-28   
970-982 4 Greeley CO DNVRCOMA32Z  656   2025-11-28   
971-342 2 Cannon Beach OR PTLDOR13XEX  672   2020-09-27   
971-379 A Portland OR PTLDOR13XEX  672      
971-379 8 Portland OR PTLDOR13XEX  672   2020-08-09   
971-379 9 Portland OR PTLDOR13XEX  672   2020-08-09   
972-328 6 Dallas TX DLLSTX97X8X  552   2026-03-14   
972-328 7 Dallas TX DLLSTX97X8X  552   2026-03-14   
972-328 8 Dallas TX DLLSTX97X8X  552   2026-03-14   
972-688 A Plano TX DLLSTX97XCX  552      
972-688 8 Plano TX DLLSTX97XCX  552   2021-12-26   
972-688 9 Plano TX DLLSTX97XCX  552   2021-12-26   
973-218 3 Millburn NJ NWRKNJ0298Z  224   2016-05-19   
973-542 3 Nutley NJ NWRKNJ0298Z  224   2016-05-19   
973-662 5 Nutley NJ NWRKNJ0298Z  224   2016-05-19   
973-730 3 Morristown NJ NWRKNJ0298Z  224   2025-12-11   
973-730 4 Morristown NJ NWRKNJ0298Z  224   2025-12-11   
973-730 5 Morristown NJ NWRKNJ0298Z  224   2025-12-11   
973-730 6 Morristown NJ NWRKNJ0298Z  224   2025-12-11   
973-798 3 Nutley NJ NWRKNJ0298Z  224   2016-05-19   
973-798 5 Nutley NJ NWRKNJ0298Z  224   2016-05-19   
973-840 3 Caldwell NJ NWRKNJ0298Z  224   2016-05-19   
973-922 5 Nutley NJ NWRKNJ0298Z  224   2016-05-19   
973-922 7 Nutley NJ NWRKNJ0298Z  224   2016-05-19   
973-924 3 Millburn NJ NWRKNJ0298Z  224   2016-05-19   
978-288 2 Beverly MA CMBRMABEQMD  128   2016-04-11   
978-288 3 Beverly MA CMBRMABEQMD  128   2016-04-11   
978-288 4 Beverly MA CMBRMABEQMD  128   2016-04-11   
978-288 5 Beverly MA CMBRMABEQMD  128   2016-04-11   
978-438 2 Peabody MA CMBRMABEQMD  128   2016-09-03   
978-438 3 Peabody MA CMBRMABEQMD  128   2016-09-03   
978-438 4 Peabody MA CMBRMABEQMD  128   2016-09-03   

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

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