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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 425J CSC WIRELESS, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
929-731 5 New York City Zone 03 NY   132   2024-01-29   
929-731 6 New York City Zone 03 NY   132   2024-01-29   
929-731 7 New York City Zone 03 NY   132   2024-01-29   
929-759 5 New York City Zone 11 NY   132   2024-09-06   
929-759 6 New York City Zone 11 NY   132   2024-09-06   
929-767 7 New York City Zone 13 NY   132   2024-07-22   
929-767 8 New York City Zone 13 NY   132   2024-07-22   
929-767 9 New York City Zone 13 NY   132   2024-07-22   
929-776 A New York City Zone 04 NY WHPLNYGRX0X  132   2024-10-18   
929-776 0 New York City Zone 04 NY   132   2024-10-18   
929-776 1 New York City Zone 04 NY   132   2024-10-18   
929-776 2 New York City Zone 04 NY   132   2024-10-18   
929-776 3 New York City Zone 04 NY   132   2024-10-18   
929-776 4 New York City Zone 04 NY   132   2024-11-01   
929-776 5 New York City Zone 04 NY   132   2024-11-01   
929-776 6 New York City Zone 04 NY   132   2024-11-01   
929-776 7 New York City Zone 04 NY   132   2024-12-01   
929-776 8 New York City Zone 04 NY   132   2024-12-01   
929-776 9 New York City Zone 04 NY   132   2024-12-01   
929-807 A New York City Zone 10 NY   132   2025-04-24   
929-807 0 New York City Zone 10 NY   132   2025-04-24   
929-807 1 New York City Zone 10 NY   132   2025-04-24   
929-807 2 New York City Zone 10 NY   132   2025-04-24   
929-807 3 New York City Zone 10 NY   132   2025-04-24   
929-832 8 New York City Zone 08 NY   132   2022-03-21   
929-832 9 New York City Zone 08 NY   132   2022-04-21   
930-214 A Evansville IN EVVLIN03Y0X  330      
930-214 2 Evansville IN   330   2020-08-17   
930-215 A Bloomington IN BLTNIN01Y0X  338      
930-215 2 Bloomington IN   338   2020-08-24   
934-252 A Central Islip NY WHPLNYGRX0X  132      
934-252 0 Central Islip NY   132   2023-12-08   
934-252 1 Central Islip NY   132   2023-12-08   
934-252 2 Central Islip NY   132   2023-12-08   
934-252 3 Central Islip NY   132   2023-12-08   
936-339 1 Huntsville TX   560   2022-08-08   
936-339 3 Huntsville TX   560   2024-07-22   
936-400 6 Huntsville TX   560   2024-08-14   
936-500 0 Huntsville TX   560   2019-06-25   
936-500 2 Huntsville TX   560   2019-07-09   
936-500 3 Huntsville TX   560   2019-07-15   
936-932 1 Huntsville TX   560   2025-04-27   
936-932 2 Huntsville TX   560   2025-04-27   
937-784 A Dayton OH DYTNOH22Y0X  328      
937-784 2 Dayton OH   328   2020-07-11   
940-274 7 Mineral Wells TX   552   2019-06-14   
940-358 A Wichita Falls TX WCFLTXNIY0X  548      
940-358 2 Wichita Falls TX   548   2020-08-03   
940-654 6 Mineral Wells TX   552   2019-06-14   
947-224 A Southfield MI WBFDMIMNY0X  340      

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

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