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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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
267-728 8 Philadelphia Suburban Zone 37 PA PHLAPAMKXDX  228   2016-09-08   
267-729 0 Philadelphia Suburban Zone 37 PA PHLAPAMKXDX  228   2016-09-08   
267-868 0 Carversville PA PHLAPAMKXDX  228   2016-09-08   
267-868 1 Carversville PA PHLAPAMKXDX  228   2016-09-08   
267-868 2 Carversville PA PHLAPAMKXDX  228   2016-09-08   
267-868 4 Carversville PA PHLAPAMKXDX  228   2016-09-08   
267-868 5 Carversville PA PHLAPAMKXDX  228   2016-09-08   
267-890 1 Harleysville PA PHLAPAMKXDX  228   2016-09-08   
267-890 2 Harleysville PA PHLAPAMKXDX  228   2016-09-08   
267-890 3 Harleysville PA PHLAPAMKXDX  228   2016-09-08   
267-890 5 Harleysville PA PHLAPAMKXDX  228   2016-09-08   
267-890 6 Harleysville PA PHLAPAMKXDX  228   2016-09-08   
267-915 1 Philadelphia Suburban Zone 45 PA PHLAPAMKXDX  228   2016-09-08   
267-915 3 Philadelphia Suburban Zone 45 PA PHLAPAMKXDX  228   2016-09-08   
267-915 5 Philadelphia Suburban Zone 45 PA PHLAPAMKXDX  228   2016-09-08   
267-915 8 Philadelphia Suburban Zone 45 PA PHLAPAMKXDX  228   2016-09-08   
267-915 9 Philadelphia Suburban Zone 45 PA PHLAPAMKXDX  228   2016-09-08   
267-942 2 Philadelphia Suburban Zone 38 PA PHLAPAMKXDX  228   2016-09-08   
267-942 5 Philadelphia Suburban Zone 38 PA PHLAPAMKXDX  228   2016-09-08   
267-942 7 Philadelphia Suburban Zone 38 PA PHLAPAMKXDX  228   2016-09-08   
267-943 5 Philadelphia Suburban Zone 38 PA PHLAPAMKXDX  228   2016-09-08   
267-943 6 Philadelphia Suburban Zone 38 PA PHLAPAMKXDX  228   2016-09-08   
267-943 7 Philadelphia Suburban Zone 38 PA PHLAPAMKXDX  228   2016-09-08   
267-943 8 Philadelphia Suburban Zone 38 PA PHLAPAMKXDX  228   2016-09-08   
267-944 8 Philadelphia Suburban Zone 38 PA PHLAPAMKXDX  228   2016-09-08   
267-944 9 Philadelphia Suburban Zone 38 PA PHLAPAMKXDX  228   2016-09-08   
267-949 0 Philadelphia Suburban Zone 38 PA PHLAPAMKXDX  228   2016-09-08   
267-949 1 Philadelphia Suburban Zone 38 PA PHLAPAMKXDX  228   2016-09-08   
267-949 2 Philadelphia Suburban Zone 38 PA PHLAPAMKXDX  228   2016-09-08   
267-949 3 Philadelphia Suburban Zone 38 PA PHLAPAMKXDX  228   2016-09-08   
267-967 A Lansdale PA PHLAPAMKXDX  228      
267-967 1 Lansdale PA PHLAPAMKXDX  228   2016-02-04   
267-998 2 Carversville PA PHLAPAMKXDX  228   2016-09-08   
267-998 3 Carversville PA PHLAPAMKXDX  228   2016-09-08   
267-998 4 Carversville PA PHLAPAMKXDX  228   2016-09-08   
267-998 6 Carversville PA PHLAPAMKXDX  228   2016-09-08   
267-998 7 Carversville PA PHLAPAMKXDX  228   2016-09-08   
332-223 A New York City Zone 01 NY   132   2025-04-21   
332-223 1 New York City Zone 01 NY   132   2019-04-08   
346-746 A Smithers Lake TX HSTNTXJAXIY  560      
346-746 1 Smithers Lake TX HSTNTXJAXIY  560   2019-10-19   
401-251 A Portsmouth RI   130   2025-04-11   
401-251 1 Portsmouth RI   130   2016-11-26   
412-710 A Pittsburgh Suburban Zone 11 PA   234   2025-04-26   
412-710 1 Pittsburgh Suburban Zone 11 PA   234   2016-11-26   
484-245 8 Catasauqua PA PHLAPAMKXDX  228   2016-09-11   
484-370 6 Philadelphia Suburban Zone 30 PA PHLAPAMKXDX  228   2016-09-11   
484-379 4 Bethlehem PA PHLAPAMKXDX  228   2016-09-11   
484-379 5 Bethlehem PA PHLAPAMKXDX  228   2016-09-11   
484-396 A Philadelphia Suburban Zone 29 PA   228      

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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