Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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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
813-912 7 Tampa West FL TAMPFLXAX3X  952   2016-02-06   
813-912 8 Tampa West FL TAMPFLXAX3X  952   2016-02-06   
813-912 9 Tampa West FL TAMPFLXAX3X  952   2016-02-06   
814-610 A Altoona PA ALNAPAACXMD  230      
814-610 8 Altoona PA ALNAPAACXMD  230   2020-11-22   
814-610 9 Altoona PA ALNAPAACXMD  230   2020-11-22   
814-890 A Beaverdale PA ALNAPAACYMD  230      
814-890 8 Beaverdale PA ALNAPAACYMD  230   2021-05-29   
814-890 9 Beaverdale PA ALNAPAACYMD  230   2021-05-29   
818-214 1 Reseda CA LSANCARCY1X  730   2016-06-11   
818-214 2 Reseda CA LSANCARCY1X  730   2016-06-11   
818-214 3 Reseda CA LSANCARCY1X  730   2016-06-11   
818-214 4 Reseda CA LSANCARCY1X  730   2016-06-11   
818-214 6 Reseda CA   730   2016-08-27   
820-280 A Los Alamos CA SNBBCAXFXHY  740      
820-280 9 Los Alamos CA SNBBCAXFXHY  740   2019-11-23   
826-217 A Harrisonburg VA HRBGVABFSMD  927      
826-217 8 Harrisonburg VA HRBGVABFSMD  927   2023-05-11   
826-217 9 Harrisonburg VA HRBGVABFSMD  927   2023-05-11   
830-259 A Floresville TX SNANTXCA91Z  566      
830-259 8 Floresville TX SNANTXCA91Z  566   2022-09-05   
830-259 9 Floresville TX SNANTXCA91Z  566   2022-09-05   
831-215 A Monterey CA MTRYCAPM8MD  736      
831-215 8 Monterey CA MTRYCAPM8MD  736   2020-11-23   
831-215 9 Monterey CA MTRYCAPM8MD  736   2020-11-23   
831-777 0 Santa Cruz CA SNFCCA21XOZ  722   2016-06-28   
831-777 1 Santa Cruz CA SNFCCA21XOZ  722   2016-06-28   
831-999 4 Santa Cruz CA SNFCCA21XOZ  722   2016-06-13   
831-999 5 Santa Cruz CA SNFCCA21XOZ  722   2016-06-17   
831-999 6 Santa Cruz CA SNFCCA21XOZ  722   2016-06-13   
838-227 A Central Bridge NY ALBYNYSSXEZ  134      
838-227 8 Central Bridge NY ALBYNYSSXEZ  134   2021-01-03   
838-227 9 Central Bridge NY ALBYNYSSXEZ  134   2021-01-03   
838-839 A Albany NY ALBYNYSSXZY  134      
838-839 9 Albany NY ALBYNYSSXZY  134   2019-03-09   
839-201 A Columbia SC CLMASCTLX5Y  434      
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   
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   
845-363 5 Brewster NY   132   2013-04-05   
845-400 7 Spring Valley NY NYCMNY37UMD  132   2014-08-01   
845-422 4 New City 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   
845-643 6 Nyack NY NYCMNY37UMD  132   2014-08-01   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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