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
940-654 6 Mineral Wells TX DLLSTXRIY0X  552      
947-224 A Southfield MI WBFDMIMNY0X  340      
947-224 2 Southfield MI WBFDMIMNY0X  340      
956-654 A Harlingen TX HRLNTXHGY0X  568      
956-654 2 Harlingen TX HRLNTXHGY0X  568      
959-209 0 Watertown CT NRWLCT02Y0X  920      
959-209 5 Watertown CT NRWLCT02Y0X  920      
959-209 6 Watertown CT NRWLCT02Y0X  920      
971-380 A Portland OR PTLDOR13Y0X  672      
971-380 2 Portland OR PTLDOR13Y0X  672      
972-433 2 Prosper TX DLLSTXRIY0X  552      
972-433 3 Prosper TX DLLSTXRIY0X  552      
972-433 4 Prosper TX DLLSTXRIY0X  552      
973-750 6 Butler NJ PRNYNJFPX0X  224      
979-286 A Bryan-College Station TX BRYNTXXAY0X  570      
979-286 0 Bryan-College Station TX BRYNTXXAY0X  570      
979-286 2 Bryan-College Station TX BRYNTXXAY0X  570      
979-290 A Brenham TX NCGDTXNCX0X  560      
979-290 2 Brenham TX NCGDTXNCX0X  560      
980-316 A Charlotte NC CHRLNCCAYLX  422      
980-316 2 Charlotte NC CHRLNCCAYLX  422      
984-520 A Goldsboro NC RLGHNCHOY0X  426      
984-520 0 Goldsboro NC RLGHNCHOY0X  426      
984-520 1 Goldsboro NC RLGHNCHOY0X  426      
984-520 2 Goldsboro NC RLGHNCHOY0X  426      
989-318 A Bay City MI SGNWMIFAY0X  344      
989-318 2 Bay City MI SGNWMIFAY0X  344      

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Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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