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
757-987 9 Norfolk Zone 2 VA NRFLVAJYGMD  252   2021-11-06   
757-996 A Norfolk Zone 1 VA NRFLVAJYEMD  252      
757-996 8 Norfolk Zone 1 VA NRFLVAJYEMD  252   2020-11-20   
757-996 9 Norfolk Zone 1 VA NRFLVAJYEMD  252   2020-11-20   
760-301 3 Ridgecrest CA LSANCARCY1X  730   2014-08-15   
760-548 A Palm Springs CA PLSPCAXGXVZ  973      
760-548 9 Palm Springs CA PLSPCAXGXVZ  973   2019-04-28   
760-569 0 Palm Springs CA   973   2009-03-01   
760-569 2 Palm Springs CA   973   2009-03-01   
760-569 4 Palm Springs CA   973   2009-03-01   
760-569 6 Palm Springs CA PLSPCAXGXVZ  973   2009-03-01   
760-569 7 Palm Springs CA   973   2009-03-01   
760-582 1 Bishop CA   730   2010-02-19   
760-614 4 Lone Pine CA LSANCARCY1X  730   2014-09-09   
760-973 0 Fort Irwin CA LSANCARCY1X  730   2016-08-28   
760-973 1 Fort Irwin CA LSANCARCY1X  730   2016-08-28   
760-973 9 Fort Irwin CA LSANCARCY1X  730   2014-08-15   
762-253 A Augusta GA AGSTGAPU4MD  442      
762-253 8 Augusta GA AGSTGAPU4MD  442   2020-09-17   
762-253 9 Augusta GA AGSTGAPU4MD  442   2020-09-17   
762-291 A Harlem GA AGSTGAPU5MD  442      
762-291 8 Harlem GA AGSTGAPU5MD  442   2022-07-02   
762-291 9 Harlem GA AGSTGAPU5MD  442   2022-07-02   
762-388 7 Hephzibah GA   442   2025-09-14   
762-388 8 Hephzibah GA   442   2025-09-14   
763-335 2 Princeton MN MPLSMNCDX7X  628   2020-11-01   
763-335 3 Princeton MN MPLSMNCDX7X  628   2020-11-01   
769-334 4 Meridian MS   482   2026-02-14   
769-363 3 Jackson MS   482   2026-02-14   
769-363 4 Jackson MS   482   2026-02-14   
769-768 A Jackson MS JCSNMSPSXOY  482      
769-768 8 Jackson MS JCSNMSPSXOY  482   2020-07-19   
769-768 9 Jackson MS JCSNMSPSXOY  482   2020-07-19   
771-254 2 Washington Zone 1 DC   236   2025-11-28   
771-254 3 Washington Zone 1 DC   236   2025-11-28   
771-888 7 Washington Zone 1 DC WASHDCSWNMD  236   2021-12-31   
771-999 1 Washington Zone 1 DC WASHDCSWNMD  236   2022-05-08   
772-213 4 Vero Beach FL MIAUFLWSSMD  46018   2016-06-12   
772-213 5 Vero Beach FL   46018   2016-06-12   
772-213 6 Vero Beach FL MIAUFLWSSMD  46018   2016-06-12   
772-213 7 Vero Beach FL   46018   2016-06-12   
773-204 3 Chicago Zone 07-Stewart IL   358   2025-10-10   
773-740 4 Chicago Zone 02-Edgewater IL   358   2025-10-04   
773-903 3 Chicago Zone 06-Kedzie IL   358   2025-10-10   
774-258 3 Northboro MA CMBRMABEQMD  128   2016-05-12   
774-258 4 Northboro MA CMBRMABEQMD  128   2016-05-12   
774-258 5 Northboro MA   128   2016-05-12   
774-258 6 Northboro MA CMBRMABEQMD  128   2016-05-12   
774-267 2 Northboro MA CMBRMABEQMD  128   2016-05-12   
774-267 3 Northboro MA CMBRMABEQMD  128   2016-05-16   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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