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: 425J CSC WIRELESS, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
806-705 1 Lubbock TX   544   2019-07-01   
806-705 2 Lubbock TX   544   2019-05-16   
813-592 A Tampa West FL TAMPFLXAY0X  952      
813-592 2 Tampa West FL   952   2020-06-20   
814-738 A Erie PA ERIEPAXMY0X  924      
814-738 2 Erie PA   924   2019-12-22   
814-895 A Altoona PA ALNAPAALY0X  230      
814-895 2 Altoona PA   230   2019-12-22   
816-253 3 Agency MO   524   2019-06-27   
816-253 5 Agency MO   524   2019-07-15   
816-327 A Agency MO STJSMODNX0X  524      
816-327 0 Agency MO   524   2019-08-19   
816-338 2 Agency MO   524   2019-06-13   
816-338 3 Agency MO   524   2019-06-13   
820-202 A San Luis Obispo CA SNLOCA01Y1X  740      
820-202 2 San Luis Obispo CA   740   2020-04-10   
828-220 A Asheville NC AHVLNCOHY0X  420      
828-220 2 Asheville NC   420   2020-07-11   
828-376 3 Arden NC   420   2021-11-18   
828-998 7 Asheville NC   420   2025-05-02   
830-658 0 Big Wells TX   566   2021-10-30   
831-243 A Salinas CA SLNSCA01Y0X  736      
831-243 2 Salinas CA   736   2020-08-24   
832-345 2 Cleveland TX   560   2019-07-07   
838-208 A Copake NY ALBYNYSSY0X  134      
838-208 0 Copake NY   134   2019-08-24   
838-208 2 Copake NY   134   2019-04-19   
845-330 5 Poughkeepsie NY   133   2019-06-01   
845-370 2 Poughkeepsie NY   133   2019-06-21   
845-370 3 Poughkeepsie NY   133   2019-07-13   
845-370 4 Poughkeepsie NY   133   2019-07-27   
845-390 0 Suffern NY   132   2019-06-13   
845-390 1 Suffern NY   132   2019-06-13   
845-612 2 Brewster NY   132   2019-05-27   
845-715 A Elizaville NY PGHKNYSHY0X  133      
845-715 2 Elizaville NY   133   2019-04-18   
845-715 7 Elizaville NY   133   2025-05-02   
845-756 7 Elizaville NY   133   2025-05-02   
845-756 8 Elizaville NY   133   2025-05-02   
848-280 0 Dunellen NJ   224   2019-12-31   
848-280 1 Dunellen NJ   224   2020-01-18   
848-280 2 Dunellen NJ   224   2020-01-18   
848-280 3 Dunellen NJ   224   2020-02-18   
848-280 4 Dunellen NJ   224   2020-02-18   
848-385 5 Metuchen NJ   224   2025-05-10   
848-385 6 Metuchen NJ   224   2025-05-10   
848-385 7 Metuchen NJ   224   2025-05-10   
850-824 A Pensacola FL PNSCFLWAY0X  44813      
850-824 2 Pensacola FL   44813   2020-08-28   
850-825 A Tallahassee FL TLHSFLXAY0X  953      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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