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
870-707 9 Lakeview (Baxter) AR   528   2019-06-14   
870-713 A El Dorado AR PNBLARJEY0X  530      
870-713 0 El Dorado AR   530   2019-07-13   
870-713 2 El Dorado AR   530   2019-05-24   
870-713 8 El Dorado AR   530   2025-04-14   
878-223 A Uniontown (Fayette) PA PITBPAOKY0X  234      
878-223 2 Uniontown (Fayette) PA   234   2019-12-23   
901-538 A Memphis TN MMPHTNMAYXX  468      
901-538 2 Memphis TN   468   2020-09-04   
903-202 4 Whitehouse TX   554   2019-06-14   
903-202 9 Whitehouse TX   554   2019-06-14   
904-597 A Jacksonville FL JCVLFLCLYXX  45204      
904-597 2 Jacksonville FL   45204   2020-08-28   
906-210 A Marquette MI MRQTMIMNY0X  342      
906-210 2 Marquette MI   342   2020-08-24   
908-288 4 Fanwood NJ   224   2024-07-25   
908-288 5 Fanwood NJ   224   2024-07-29   
908-540 2 Plainfield NJ   224   2019-07-10   
908-540 3 Plainfield NJ   224   2019-07-22   
908-540 5 Plainfield NJ   224   2019-08-22   
908-742 7 Plainfield NJ   224   2023-11-13   
908-765 7 Fanwood NJ   224   2019-05-27   
910-756 A Wilmington NC WLMGNCFOY0X  428      
910-756 2 Wilmington NC   428   2020-07-11   
910-806 A Fayetteville NC FYVLNCXAY0X  949      
910-806 2 Fayetteville NC   949   2020-07-11   
912-468 A Savannah GA SVNHGABSY0X  440      
912-468 2 Savannah GA   440   2020-08-27   
913-357 A Paola KS STJSMODNX0X  524      
913-357 0 Paola KS   524   2019-07-22   
913-357 2 Paola KS   524   2019-08-15   
914-350 0 Chappaqua NY   132   2019-05-27   
914-350 8 Chappaqua NY   132   2020-08-14   
914-369 8 Westchester Zone 1 NY   132   2019-06-13   
914-369 9 Westchester Zone 1 NY   132   2019-06-30   
914-370 A Westchester Zone 1 NY WHPLNYGRX0X  132      
914-370 0 Westchester Zone 1 NY   132   2019-07-18   
914-370 1 Westchester Zone 1 NY   132   2019-07-18   
914-415 1 Westchester Zone 2 NY   132   2019-06-27   
914-415 2 Westchester Zone 2 NY   132   2019-06-27   
914-634 A Chappaqua NY WHPLNYGRX0X  132      
914-634 0 Chappaqua NY   132   2023-12-08   
914-634 1 Chappaqua NY   132   2023-12-08   
914-634 2 Chappaqua NY   132   2025-05-02   
914-634 3 Chappaqua NY   132   2025-05-02   
914-634 4 Chappaqua NY   132   2025-05-02   
914-634 5 Chappaqua NY   132   2025-05-02   
914-814 0 Chappaqua NY   132   2023-11-10   
914-814 1 Chappaqua NY   132   2023-11-10   
914-814 2 Chappaqua NY   132   2023-11-10   

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

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