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
540-250 9 Radford VA RONKVAGEBMD  244   2021-06-08   
540-267 9 Radford VA   244   2026-01-18   
540-618 A Culpeper VA CLPPVA94HMD  246      
540-618 8 Culpeper VA CLPPVA94HMD  246   2020-11-20   
540-618 9 Culpeper VA CLPPVA94HMD  246   2020-11-20   
540-744 4 Radford VA   244   2026-01-18   
540-796 A Hartwood VA CLPPVA94JMD  246      
540-796 8 Hartwood VA CLPPVA94JMD  246   2021-06-17   
540-796 9 Hartwood VA CLPPVA94JMD  246   2021-06-17   
540-806 A Radford VA RONKVAGEBMD  244      
540-806 9 Radford VA RONKVAGEBMD  244   2021-06-17   
540-979 A Roanoke VA RONKVAGE0MD  244      
540-979 8 Roanoke VA RONKVAGE0MD  244   2021-03-18   
540-979 9 Roanoke VA RONKVAGE0MD  244   2021-03-18   
541-449 6 Stanfield OR PTLDOR13XEX  672   2020-09-27   
551-240 2 Union City NJ NWRKNJ0298Z  224   2016-05-19   
551-240 4 Union City NJ NWRKNJ0298Z  224   2016-05-23   
551-240 5 Union City NJ NWRKNJ0298Z  224   2016-05-19   
551-240 6 Union City NJ NWRKNJ0298Z  224   2016-05-19   
551-240 7 Union City NJ   224   2016-05-19   
551-241 6 Bayonne NJ NWRKNJ0298Z  224   2016-05-19   
551-254 7 Union City NJ NWRKNJ0298Z  224   2016-05-19   
551-258 5 Bayonne NJ NWRKNJ0298Z  224   2016-05-19   
551-258 6 Bayonne NJ NWRKNJ0298Z  224   2016-05-23   
551-268 1 Union City NJ NWRKNJ0298Z  224   2016-09-03   
551-268 2 Union City NJ NWRKNJ0298Z  224   2016-09-03   
551-268 3 Union City NJ NWRKNJ0298Z  224   2016-09-03   
551-268 4 Union City NJ NWRKNJ0298Z  224   2016-09-03   
551-268 5 Union City NJ NWRKNJ0298Z  224   2016-09-03   
551-268 6 Union City NJ NWRKNJ0298Z  224   2016-09-03   
551-297 1 Bayonne NJ NWRKNJ0298Z  224   2020-05-08   
551-297 3 Bayonne NJ NWRKNJ0298Z  224   2020-05-08   
551-423 5 Hackensack NJ   224   2025-12-11   
551-423 6 Hackensack NJ   224   2025-12-11   
551-423 7 Hackensack NJ   224   2025-12-11   
557-238 2 Kirkwood MO   520   2026-02-14   
557-243 2 St Louis MO   520   2025-11-24   
557-243 3 St Louis MO   520   2025-11-24   
559-524 A Sanger CA SNGRCAXFPMD  728      
559-524 9 Sanger CA SNGRCAXFPMD  728   2019-11-17   
559-671 1 Exeter CA SNGRCAXFPMD  728   2016-06-06   
559-671 2 Exeter CA SNGRCAXFPMD  728   2016-06-06   
559-671 3 Exeter CA SNGRCAXFPMD  728   2016-06-06   
559-671 5 Exeter CA SNGRCAXFPMD  728   2016-06-06   
559-671 8 Exeter CA SNGRCAXFPMD  728   2016-08-26   
559-671 9 Exeter CA SNGRCAXFPMD  728   2016-08-26   
559-838 1 Exeter CA   728   2016-08-26   
559-838 2 Exeter CA SNGRCAXFPMD  728   2016-08-26   
559-964 A Laton CA FRSNCA0120Z  728      
559-964 9 Laton CA FRSNCA0120Z  728   2022-09-13   

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

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