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: 553J WHITESKY COMMUNICATIONS, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
925-733 0 Danville CA SNFCCA21XPZ  722   2021-10-08   
925-891 2 Walnut Creek CA SNFCCA21XPZ  722   2021-09-16   
925-905 3 Dublin-San Ramon CA SNFCCA21XPZ  722   2021-09-11   
925-966 0 Antioch CA SNFCCA21XPZ  722   2021-09-16   
929-482 3 New York City Zone 14 NY NYCKNYWMXMX  132   2021-02-22   
929-547 1 New York City Zone 11 NY NYCKNYWMXMX  132   2021-02-22   
929-562 0 New York City Zone 03 NY NYCKNYWMXMX  132   2021-03-13   
929-564 A New York City Zone 04 NY NYCKNYWMXMX  132      
929-564 1 New York City Zone 04 NY NYCKNYWMXMX  132   2021-03-29   
929-567 A New York City Zone 06 NY NYCKNYWMXMX  132      
929-567 1 New York City Zone 06 NY NYCKNYWMXMX  132   2021-03-29   
929-568 A New York City Zone 07 NY NYCKNYWMXMX  132      
929-568 1 New York City Zone 07 NY NYCKNYWMXMX  132   2021-03-29   
929-569 0 New York City Zone 08 NY NYCKNYWMXMX  132   2021-03-13   
929-571 A New York City Zone 12 NY NYCKNYWMXMX  132      
929-571 1 New York City Zone 12 NY NYCKNYWMXMX  132   2021-03-29   
929-744 8 New York City Zone 09 NY NYCKNYWMXMX  132   2021-02-22   
929-755 1 New York City Zone 10 NY NYCKNYWMXMX  132   2021-02-22   
929-833 0 New York City Zone 15 NY NYCKNYWMXMX  132   2021-02-22   
936-293 5 Huntsville TX HSTNTX08ZMD  560   2021-05-09   
938-222 7 Florence AL BRHMALMTYBX  477   2021-04-13   
938-234 0 Hazel Green AL HNVIALUNXAZ  477   2021-03-28   
938-732 0 Ranburne AL ATLNGABU09Z  438   2021-03-22   
949-686 5 Irvine CA LSANCA03IMD  730   2021-10-01   
949-881 0 Newport Beach CA LSANCA03IMD  730   2021-10-02   
949-886 0 Rancho Viejo CA LSANCA03IMD  730   2021-10-02   
949-990 7 Saddleback Valley CA LSANCA03IMD  730   2021-10-02   
949-997 5 Trabuco CA LSANCA03IMD  730   2021-10-02   
951-540 8 Lakeview-Nuevo CA LSANCA03IMD  730   2021-10-01   
951-561 1 Temescal Canyon CA LSANCA03IMD  730   2021-10-02   
951-574 8 Murrieta CA LSANCA03IMD  730   2021-10-02   
951-583 0 Elsinore CA LSANCA03IMD  730   2021-10-01   
951-799 4 Hemet: Anza DA CA LSANCA03IMD  730   2021-10-01   
951-910 8 Hemet: Sage DA CA LSANCA03IMD  730   2021-10-01   
954-759 9 Fort Lauderdale FL MIAMFLGR90Z  46017   2021-03-28   
979-398 8 Wallis TX HSTNTX08ZMD  560   2021-05-09   
979-610 0 Bay City TX HSTNTX08ZMD  560   2021-05-09   

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

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