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
839-201 9 Columbia SC CLMASCTLX5Y  434   2020-08-07   
839-218 A Columbia SC CLMASCTLX6Y  434      
839-218 8 Columbia SC CLMASCTLX6Y  434   2022-10-03   
839-218 9 Columbia SC CLMASCTLX6Y  434   2022-10-03   
839-307 5 Newberry SC CLMASCTLX5Y  434   2026-02-14   
839-307 6 Newberry SC CLMASCTLX5Y  434   2026-02-14   
839-307 7 Newberry SC CLMASCTLX5Y  434   2026-02-14   
839-340 4 Orangeburg SC   434   2026-10-11   
839-346 0 Chester SC   434   2026-10-10   
840-221 A San Bernardino CA LSANCARCY9X  730      
840-221 8 San Bernardino CA LSANCARCY9X  730   2022-12-22   
840-221 9 San Bernardino CA LSANCARCY9X  730   2022-12-22   
843-647 5 Charleston SC CHTNSCFU9MD  436   2025-08-11   
843-713 4 Florence SC FLRNSCMAXZY  432   2026-02-14   
843-942 5 Florence SC FLRNSCMAXZY  432   2026-02-14   
845-269 4 Haverstraw NY NYCMNY37UMD  132   2014-08-01   
845-277 2 Croton Falls NY NYCMNY37UMD  132   2014-08-01   
845-287 2 Carmel NY NYCMNY37UMD  132   2014-08-01   
845-363 5 Brewster NY NYCMNY37UMD  132   2013-04-05   
845-400 3 Spring Valley NY NYCMNY37UMD  132   2016-08-22   
845-400 7 Spring Valley NY NYCMNY37UMD  132   2014-08-01   
845-403 2 Spring Valley NY NYCMNY37UMD  132   2016-08-22   
845-403 3 Spring Valley NY NYCMNY37UMD  132   2016-08-22   
845-403 4 Spring Valley NY NYCMNY37UMD  132   2016-08-22   
845-403 5 Spring Valley NY NYCMNY37UMD  132   2016-08-22   
845-422 4 New City NY NYCMNY37UMD  132   2014-08-01   
845-504 4 Suffern NY NYCMNY37UMD  132   2014-08-01   
845-507 7 Nanuet NY NYCMNY37UMD  132   2014-08-01   
845-560 A Ellenville NY PGHKNYWSTMD  133      
845-560 9 Ellenville NY PGHKNYWSTMD  133   2020-09-25   
845-600 7 Mahopac NY NYCMNY37UMD  132   2014-08-01   
845-630 2 Carmel NY NYCMNY37UMD  132   2016-08-22   
845-630 3 Carmel NY NYCMNY37UMD  132   2016-08-22   
845-630 4 Carmel NY NYCMNY37UMD  132   2016-08-22   
845-630 6 Carmel NY NYCMNY37UMD  132   2016-08-22   
845-643 6 Nyack NY NYCMNY37UMD  132   2014-08-01   
845-731 5 Pearl River NY NYCMNY37UMD  132   2014-08-01   
845-737 7 Peekskill NY NYCMNY37UMD  132   2014-08-01   
845-759 9 Sloatsburg NY NYCMNY37UMD  132   2014-08-01   
845-808 8 Brewster NY NYCMNY37UMD  132   2014-08-01   
845-813 A Clintondale NY PGHKNYWSVMD  133      
845-813 9 Clintondale NY PGHKNYWSVMD  133   2021-04-26   
848-204 2 Woodbridge NJ NWRKNJ0298Z  224   2016-05-19   
848-204 3 Woodbridge NJ NWRKNJ0298Z  224   2016-05-19   
848-204 4 Woodbridge NJ NWRKNJ0298Z  224   2016-05-19   
848-204 5 Woodbridge NJ NWRKNJ0298Z  224   2016-05-19   
848-204 6 Woodbridge NJ NWRKNJ0298Z  224   2016-05-19   
848-204 7 Woodbridge NJ NWRKNJ0298Z  224   2016-05-19   
848-204 8 Woodbridge NJ NWRKNJ0298Z  224   2016-05-19   
848-204 9 Woodbridge NJ NWRKNJ0298Z  224   2016-05-19   

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

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