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: 793K TWC IP ENABLED SERVICES, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
718-682 1 New York City Zone 14 NY NYCMNYWI0MD  132   2002-11-26   
718-685 2 New York City Zone 08 NY NYCMNYWI0MD  132   2007-03-27   
718-749 5 New York City Zone 12 NY NYCMNYWI0MD  132   2008-10-07   
718-799 0 New York City Zone 09 NY NYCMNYWI0MD  132   2019-01-04   
718-806 1 New York City Zone 08 NY NYCMNYWI0MD  132   2005-10-23   
718-819 8 New York City Zone 11 NY NYCMNYWI0MD  132   2008-02-26   
718-880 1 New York City Zone 10 NY NYCMNYWI0MD  132   2008-11-04   
718-880 2 New York City Zone 10 NY NYCMNYWI0MD  132   2009-11-26   
724-269 3 Mercer PA   234   2007-08-16   
724-308 6 Sharon PA   234   2009-02-10   
724-308 7 Sharon PA   234   2013-10-10   
724-373 8 Greenville PA   234   2007-02-27   
724-383 4 Sharpsville PA   234   2006-11-21   
724-442 0 Fredonia PA   234   2013-10-04   
724-685 2 Sharon PA   234   2018-07-26   
724-851 0 Sharpsville PA   234   2013-10-04   
724-885 0 Greenville PA   234   2013-10-04   
724-901 4 New Wilmington PA   234   2007-08-16   
724-906 2 West Middlesex PA   234   2013-10-04   
724-906 8 West Middlesex PA   234   2006-11-21   
724-979 4 Sharon PA   234   2006-11-21   
724-979 6 Sharon PA   234   2015-10-19   
724-985 A Transfer PA   234   2025-04-15   
724-985 4 Transfer PA   234   2008-02-22   
726-212 A San Antonio TX   566      
726-212 0 San Antonio TX   566   2021-08-14   
726-212 1 San Antonio TX   566   2021-08-14   
726-212 2 San Antonio TX   566   2021-08-14   
726-212 3 San Antonio TX   566   2021-08-14   
726-212 4 San Antonio TX   566   2021-08-14   
726-212 5 San Antonio TX   566   2021-08-14   
726-212 6 San Antonio TX   566   2021-08-14   
726-212 7 San Antonio TX   566   2021-08-14   
726-212 8 San Antonio TX   566   2021-08-14   
726-212 9 San Antonio TX   566   2021-08-14   
726-235 A San Antonio TX   566      
726-235 0 San Antonio TX   566   2023-04-01   
726-235 1 San Antonio TX   566   2023-04-01   
726-235 2 San Antonio TX   566   2023-04-01   
726-235 3 San Antonio TX   566   2023-04-01   
726-235 4 San Antonio TX   566   2023-04-01   
726-235 5 San Antonio TX   566   2023-04-01   
726-235 6 San Antonio TX   566   2023-04-01   
726-235 7 San Antonio TX   566   2023-04-01   
726-235 8 San Antonio TX   566   2023-04-01   
726-235 9 San Antonio TX   566   2023-04-01   
726-236 A San Antonio TX   566      
726-236 0 San Antonio TX   566   2023-04-02   
726-236 1 San Antonio TX   566   2023-04-02   
726-236 2 San Antonio TX   566   2023-04-02   
726-236 3 San Antonio TX   566   2023-04-02   
726-236 4 San Antonio TX   566   2023-04-02   
726-236 5 San Antonio TX   566   2023-04-02   
726-236 6 San Antonio TX   566   2023-04-02   
726-236 7 San Antonio TX   566   2023-04-02   
726-236 8 San Antonio TX   566   2023-04-02   
726-236 9 San Antonio TX   566   2023-04-02   
726-257 A San Antonio TX   566      
726-257 0 San Antonio TX   566   2025-03-29   
726-257 1 San Antonio TX   566   2025-03-29   
726-257 2 San Antonio TX   566   2025-03-29   
726-257 3 San Antonio TX   566   2025-03-29   
726-257 4 San Antonio TX   566   2025-03-29   
726-257 5 San Antonio TX   566   2025-03-29   
726-257 6 San Antonio TX   566   2025-03-29   
726-257 7 San Antonio TX   566   2025-03-29   
726-257 8 San Antonio TX   566   2025-03-29   
726-257 9 San Antonio TX   566   2025-03-29   
726-258 A San Antonio TX   566      
726-258 0 San Antonio TX   566   2025-03-29   
726-258 1 San Antonio TX   566   2025-03-29   
726-258 2 San Antonio TX   566   2025-03-29   
726-258 3 San Antonio TX   566   2025-03-29   
726-258 4 San Antonio TX   566   2025-03-29   
726-258 5 San Antonio TX   566   2025-03-29   
726-258 6 San Antonio TX   566   2025-03-29   
726-258 7 San Antonio TX   566   2025-03-29   
726-258 8 San Antonio TX   566   2025-03-29   
726-258 9 San Antonio TX   566   2025-03-29   
726-444 0 San Antonio TX   566   2017-11-13   
726-999 2 San Antonio TX   566   2018-04-22   
726-999 3 San Antonio TX   566   2018-04-22   
731-223 8 South Fulton TN   464   2012-08-11   
731-271 2 South Fulton TN   464   2005-12-19   
731-282 A Newbern TN   468   2025-12-28   
731-282 1 Newbern TN   468   2025-12-28   
731-737 7 Dyersburg TN   468   2026-01-04   
737-202 4 Austin TX AUSXTXZR0MD  558   2015-10-22   
737-203 8 Austin TX AUSXTXZR0MD  558   2015-11-19   
737-203 9 Austin TX AUSXTXZR0MD  558   2015-11-19   
737-205 5 Austin TX AUSXTXZR0MD  558   2016-09-07   
737-205 7 Austin TX AUSXTXZR0MD  558   2016-09-07   
737-205 8 Austin TX AUSXTXZR0MD  558   2016-10-20   
737-209 A Austin TX AUSXTXZR0MD  558   2025-01-29   
737-209 0 Austin TX AUSXTXZR0MD  558   2016-06-10   
737-209 1 Austin TX AUSXTXZR0MD  558   2016-06-10   
737-209 2 Austin TX AUSXTXZR0MD  558   2016-06-10   
737-212 A Austin TX AUSXTXZR0MD  558   2025-01-29   
737-212 0 Austin TX AUSXTXZR0MD  558   2016-01-16   
737-212 1 Austin TX AUSXTXZR0MD  558   2016-01-16   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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